Home / 71,154.05-98,192.88-38,889.32

Finding the Fourth Proportional to 71,154.05, 98,192.88 and 38,889.32

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Solution

The fourth proportional to 71,154.05, 98,192.88 and 38,889.32 is: 53,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,154.05 : 98,192.88 = 38,889.32 : x
  2. Step 2: Convert to fraction form
    71,154.05/98,192.88 = 38,889.32/x
  3. Step 3: Cross multiply
    71,154.05x = 98,192.88 × 38,889.32
  4. Step 4: Simplify right side
    71,154.05x = 3,818,654,332.04
  5. Step 5: Solve for x
    x = 3,818,654,332.04/71,154.05
  6. Step 6: Final answer
    x = 53,667.42

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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.