Home / 58,404.08-87,711.76-53,715.68

Finding the Fourth Proportional to 58,404.08, 87,711.76 and 53,715.68

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Solution

The fourth proportional to 58,404.08, 87,711.76 and 53,715.68 is: 80,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,404.08 : 87,711.76 = 53,715.68 : x
  2. Step 2: Convert to fraction form
    58,404.08/87,711.76 = 53,715.68/x
  3. Step 3: Cross multiply
    58,404.08x = 87,711.76 × 53,715.68
  4. Step 4: Simplify right side
    58,404.08x = 4,711,496,832.40
  5. Step 5: Solve for x
    x = 4,711,496,832.40/58,404.08
  6. Step 6: Final answer
    x = 80,670.68

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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.