Home / 111,312.39-153,622.17-63,572.93

Finding the Fourth Proportional to 111,312.39, 153,622.17 and 63,572.93

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Solution

The fourth proportional to 111,312.39, 153,622.17 and 63,572.93 is: 87,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,312.39 : 153,622.17 = 63,572.93 : x
  2. Step 2: Convert to fraction form
    111,312.39/153,622.17 = 63,572.93/x
  3. Step 3: Cross multiply
    111,312.39x = 153,622.17 × 63,572.93
  4. Step 4: Simplify right side
    111,312.39x = 9,766,210,373.88
  5. Step 5: Solve for x
    x = 9,766,210,373.88/111,312.39
  6. Step 6: Final answer
    x = 87,736.96

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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.