Home / 77,516.09-116,126.21-52,513.21

Finding the Fourth Proportional to 77,516.09, 116,126.21 and 52,513.21

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Solution

The fourth proportional to 77,516.09, 116,126.21 and 52,513.21 is: 78,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516.09 : 116,126.21 = 52,513.21 : x
  2. Step 2: Convert to fraction form
    77,516.09/116,126.21 = 52,513.21/x
  3. Step 3: Cross multiply
    77,516.09x = 116,126.21 × 52,513.21
  4. Step 4: Simplify right side
    77,516.09x = 6,098,160,033.29
  5. Step 5: Solve for x
    x = 6,098,160,033.29/77,516.09
  6. Step 6: Final answer
    x = 78,669.60

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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.