Home / 103,423.08-142,715.44-58,098.60

Finding the Fourth Proportional to 103,423.08, 142,715.44 and 58,098.60

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Solution

The fourth proportional to 103,423.08, 142,715.44 and 58,098.60 is: 80,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423.08 : 142,715.44 = 58,098.60 : x
  2. Step 2: Convert to fraction form
    103,423.08/142,715.44 = 58,098.60/x
  3. Step 3: Cross multiply
    103,423.08x = 142,715.44 × 58,098.60
  4. Step 4: Simplify right side
    103,423.08x = 8,291,567,262.38
  5. Step 5: Solve for x
    x = 8,291,567,262.38/103,423.08
  6. Step 6: Final answer
    x = 80,171.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.