Home / 91,242.60-136,761.68-59,713.34

Finding the Fourth Proportional to 91,242.60, 136,761.68 and 59,713.34

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Solution

The fourth proportional to 91,242.60, 136,761.68 and 59,713.34 is: 89,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,242.60 : 136,761.68 = 59,713.34 : x
  2. Step 2: Convert to fraction form
    91,242.60/136,761.68 = 59,713.34/x
  3. Step 3: Cross multiply
    91,242.60x = 136,761.68 × 59,713.34
  4. Step 4: Simplify right side
    91,242.60x = 8,166,496,696.81
  5. Step 5: Solve for x
    x = 8,166,496,696.81/91,242.60
  6. Step 6: Final answer
    x = 89,503.11

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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.