Home / 91,102.68-125,732.67-53,376.93

Finding the Fourth Proportional to 91,102.68, 125,732.67 and 53,376.93

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Solution

The fourth proportional to 91,102.68, 125,732.67 and 53,376.93 is: 73,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,102.68 : 125,732.67 = 53,376.93 : x
  2. Step 2: Convert to fraction form
    91,102.68/125,732.67 = 53,376.93/x
  3. Step 3: Cross multiply
    91,102.68x = 125,732.67 × 53,376.93
  4. Step 4: Simplify right side
    91,102.68x = 6,711,223,925.30
  5. Step 5: Solve for x
    x = 6,711,223,925.30/91,102.68
  6. Step 6: Final answer
    x = 73,666.59

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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.