Home / 91,657.32-126,484.81-53,414.38

Finding the Fourth Proportional to 91,657.32, 126,484.81 and 53,414.38

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Solution

The fourth proportional to 91,657.32, 126,484.81 and 53,414.38 is: 73,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,657.32 : 126,484.81 = 53,414.38 : x
  2. Step 2: Convert to fraction form
    91,657.32/126,484.81 = 53,414.38/x
  3. Step 3: Cross multiply
    91,657.32x = 126,484.81 × 53,414.38
  4. Step 4: Simplify right side
    91,657.32x = 6,756,107,705.57
  5. Step 5: Solve for x
    x = 6,756,107,705.57/91,657.32
  6. Step 6: Final answer
    x = 73,710.51

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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.