Home / 96,875.38-145,312.14-57,404.08

Finding the Fourth Proportional to 96,875.38, 145,312.14 and 57,404.08

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Solution

The fourth proportional to 96,875.38, 145,312.14 and 57,404.08 is: 86,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,875.38 : 145,312.14 = 57,404.08 : x
  2. Step 2: Convert to fraction form
    96,875.38/145,312.14 = 57,404.08/x
  3. Step 3: Cross multiply
    96,875.38x = 145,312.14 × 57,404.08
  4. Step 4: Simplify right side
    96,875.38x = 8,341,509,709.53
  5. Step 5: Solve for x
    x = 8,341,509,709.53/96,875.38
  6. Step 6: Final answer
    x = 86,105.57

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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.