Home / 78,725.08-118,066.02-47,110.27

Finding the Fourth Proportional to 78,725.08, 118,066.02 and 47,110.27

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Solution

The fourth proportional to 78,725.08, 118,066.02 and 47,110.27 is: 70,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725.08 : 118,066.02 = 47,110.27 : x
  2. Step 2: Convert to fraction form
    78,725.08/118,066.02 = 47,110.27/x
  3. Step 3: Cross multiply
    78,725.08x = 118,066.02 × 47,110.27
  4. Step 4: Simplify right side
    78,725.08x = 5,562,121,489.70
  5. Step 5: Solve for x
    x = 5,562,121,489.70/78,725.08
  6. Step 6: Final answer
    x = 70,652.48

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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.