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Finding the Fourth Proportional to 78,810.84, 118,216.26 and 52,566.84

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Solution

The fourth proportional to 78,810.84, 118,216.26 and 52,566.84 is: 78,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,810.84 : 118,216.26 = 52,566.84 : x
  2. Step 2: Convert to fraction form
    78,810.84/118,216.26 = 52,566.84/x
  3. Step 3: Cross multiply
    78,810.84x = 118,216.26 × 52,566.84
  4. Step 4: Simplify right side
    78,810.84x = 6,214,255,224.82
  5. Step 5: Solve for x
    x = 6,214,255,224.82/78,810.84
  6. Step 6: Final answer
    x = 78,850.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.