Home / 58,159.38-87,256.08-18,715.62

Finding the Fourth Proportional to 58,159.38, 87,256.08 and 18,715.62

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Solution

The fourth proportional to 58,159.38, 87,256.08 and 18,715.62 is: 28,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,159.38 : 87,256.08 = 18,715.62 : x
  2. Step 2: Convert to fraction form
    58,159.38/87,256.08 = 18,715.62/x
  3. Step 3: Cross multiply
    58,159.38x = 87,256.08 × 18,715.62
  4. Step 4: Simplify right side
    58,159.38x = 1,633,051,635.97
  5. Step 5: Solve for x
    x = 1,633,051,635.97/58,159.38
  6. Step 6: Final answer
    x = 28,078.90

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1.5x scale

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.