Home / 112,715.50-155,547.39-62,414.50

Finding the Fourth Proportional to 112,715.50, 155,547.39 and 62,414.50

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Solution

The fourth proportional to 112,715.50, 155,547.39 and 62,414.50 is: 86,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715.50 : 155,547.39 = 62,414.50 : x
  2. Step 2: Convert to fraction form
    112,715.50/155,547.39 = 62,414.50/x
  3. Step 3: Cross multiply
    112,715.50x = 155,547.39 × 62,414.50
  4. Step 4: Simplify right side
    112,715.50x = 9,708,412,573.16
  5. Step 5: Solve for x
    x = 9,708,412,573.16/112,715.50
  6. Step 6: Final answer
    x = 86,132.01

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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.