Home / 77,779.77-116,640.28-25,175.13

Finding the Fourth Proportional to 77,779.77, 116,640.28 and 25,175.13

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Solution

The fourth proportional to 77,779.77, 116,640.28 and 25,175.13 is: 37,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,779.77 : 116,640.28 = 25,175.13 : x
  2. Step 2: Convert to fraction form
    77,779.77/116,640.28 = 25,175.13/x
  3. Step 3: Cross multiply
    77,779.77x = 116,640.28 × 25,175.13
  4. Step 4: Simplify right side
    77,779.77x = 2,936,434,212.24
  5. Step 5: Solve for x
    x = 2,936,434,212.24/77,779.77
  6. Step 6: Final answer
    x = 37,753.19

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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.