Home / 109,864.98-151,614.85-64,544.86

Finding the Fourth Proportional to 109,864.98, 151,614.85 and 64,544.86

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Solution

The fourth proportional to 109,864.98, 151,614.85 and 64,544.86 is: 89,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.98 : 151,614.85 = 64,544.86 : x
  2. Step 2: Convert to fraction form
    109,864.98/151,614.85 = 64,544.86/x
  3. Step 3: Cross multiply
    109,864.98x = 151,614.85 × 64,544.86
  4. Step 4: Simplify right side
    109,864.98x = 9,785,959,267.17
  5. Step 5: Solve for x
    x = 9,785,959,267.17/109,864.98
  6. Step 6: Final answer
    x = 89,072.60

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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.