Home / 109,683.29-151,353.55-63,117.66

Finding the Fourth Proportional to 109,683.29, 151,353.55 and 63,117.66

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Solution

The fourth proportional to 109,683.29, 151,353.55 and 63,117.66 is: 87,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,683.29 : 151,353.55 = 63,117.66 : x
  2. Step 2: Convert to fraction form
    109,683.29/151,353.55 = 63,117.66/x
  3. Step 3: Cross multiply
    109,683.29x = 151,353.55 × 63,117.66
  4. Step 4: Simplify right side
    109,683.29x = 9,553,082,200.13
  5. Step 5: Solve for x
    x = 9,553,082,200.13/109,683.29
  6. Step 6: Final answer
    x = 87,096.97

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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.