Home / 78,934.68-118,299.96-59,057.28

Finding the Fourth Proportional to 78,934.68, 118,299.96 and 59,057.28

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Solution

The fourth proportional to 78,934.68, 118,299.96 and 59,057.28 is: 88,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,934.68 : 118,299.96 = 59,057.28 : x
  2. Step 2: Convert to fraction form
    78,934.68/118,299.96 = 59,057.28/x
  3. Step 3: Cross multiply
    78,934.68x = 118,299.96 × 59,057.28
  4. Step 4: Simplify right side
    78,934.68x = 6,986,473,861.71
  5. Step 5: Solve for x
    x = 6,986,473,861.71/78,934.68
  6. Step 6: Final answer
    x = 88,509.56

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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.