Home / 102,349.69-141,242.87-59,337.54

Finding the Fourth Proportional to 102,349.69, 141,242.87 and 59,337.54

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Solution

The fourth proportional to 102,349.69, 141,242.87 and 59,337.54 is: 81,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,349.69 : 141,242.87 = 59,337.54 : x
  2. Step 2: Convert to fraction form
    102,349.69/141,242.87 = 59,337.54/x
  3. Step 3: Cross multiply
    102,349.69x = 141,242.87 × 59,337.54
  4. Step 4: Simplify right side
    102,349.69x = 8,381,004,792.57
  5. Step 5: Solve for x
    x = 8,381,004,792.57/102,349.69
  6. Step 6: Final answer
    x = 81,885.98

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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.