Home / 111,337.46-153,628.98-63,580.70

Finding the Fourth Proportional to 111,337.46, 153,628.98 and 63,580.70

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Solution

The fourth proportional to 111,337.46, 153,628.98 and 63,580.70 is: 87,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.46 : 153,628.98 = 63,580.70 : x
  2. Step 2: Convert to fraction form
    111,337.46/153,628.98 = 63,580.70/x
  3. Step 3: Cross multiply
    111,337.46x = 153,628.98 × 63,580.70
  4. Step 4: Simplify right side
    111,337.46x = 9,767,838,088.69
  5. Step 5: Solve for x
    x = 9,767,838,088.69/111,337.46
  6. Step 6: Final answer
    x = 87,731.82

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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.