Home / 71,314.09-98,420.16-42,633.84

Finding the Fourth Proportional to 71,314.09, 98,420.16 and 42,633.84

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Solution

The fourth proportional to 71,314.09, 98,420.16 and 42,633.84 is: 58,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314.09 : 98,420.16 = 42,633.84 : x
  2. Step 2: Convert to fraction form
    71,314.09/98,420.16 = 42,633.84/x
  3. Step 3: Cross multiply
    71,314.09x = 98,420.16 × 42,633.84
  4. Step 4: Simplify right side
    71,314.09x = 4,196,029,883.17
  5. Step 5: Solve for x
    x = 4,196,029,883.17/71,314.09
  6. Step 6: Final answer
    x = 58,838.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.