Home / 61,140.16-91,715.10-26,080.12

Finding the Fourth Proportional to 61,140.16, 91,715.10 and 26,080.12

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Solution

The fourth proportional to 61,140.16, 91,715.10 and 26,080.12 is: 39,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.16 : 91,715.10 = 26,080.12 : x
  2. Step 2: Convert to fraction form
    61,140.16/91,715.10 = 26,080.12/x
  3. Step 3: Cross multiply
    61,140.16x = 91,715.10 × 26,080.12
  4. Step 4: Simplify right side
    61,140.16x = 2,391,940,813.81
  5. Step 5: Solve for x
    x = 2,391,940,813.81/61,140.16
  6. Step 6: Final answer
    x = 39,122.25

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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.