Home / 71,478.09-98,350.08-58,684.14

Finding the Fourth Proportional to 71,478.09, 98,350.08 and 58,684.14

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Solution

The fourth proportional to 71,478.09, 98,350.08 and 58,684.14 is: 80,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,478.09 : 98,350.08 = 58,684.14 : x
  2. Step 2: Convert to fraction form
    71,478.09/98,350.08 = 58,684.14/x
  3. Step 3: Cross multiply
    71,478.09x = 98,350.08 × 58,684.14
  4. Step 4: Simplify right side
    71,478.09x = 5,771,589,863.73
  5. Step 5: Solve for x
    x = 5,771,589,863.73/71,478.09
  6. Step 6: Final answer
    x = 80,746.28

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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.