Home / 127,091.52-175,407.24-70,521.12

Finding the Fourth Proportional to 127,091.52, 175,407.24 and 70,521.12

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Solution

The fourth proportional to 127,091.52, 175,407.24 and 70,521.12 is: 97,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,091.52 : 175,407.24 = 70,521.12 : x
  2. Step 2: Convert to fraction form
    127,091.52/175,407.24 = 70,521.12/x
  3. Step 3: Cross multiply
    127,091.52x = 175,407.24 × 70,521.12
  4. Step 4: Simplify right side
    127,091.52x = 12,369,915,020.91
  5. Step 5: Solve for x
    x = 12,369,915,020.91/127,091.52
  6. Step 6: Final answer
    x = 97,330.77

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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.