Home / 79,031.38-118,639.68-62,402.62

Finding the Fourth Proportional to 79,031.38, 118,639.68 and 62,402.62

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Solution

The fourth proportional to 79,031.38, 118,639.68 and 62,402.62 is: 93,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,031.38 : 118,639.68 = 62,402.62 : x
  2. Step 2: Convert to fraction form
    79,031.38/118,639.68 = 62,402.62/x
  3. Step 3: Cross multiply
    79,031.38x = 118,639.68 × 62,402.62
  4. Step 4: Simplify right side
    79,031.38x = 7,403,426,867.96
  5. Step 5: Solve for x
    x = 7,403,426,867.96/79,031.38
  6. Step 6: Final answer
    x = 93,677.05

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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.