Home / 70,732.04-97,610.18-38,903.08

Finding the Fourth Proportional to 70,732.04, 97,610.18 and 38,903.08

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Solution

The fourth proportional to 70,732.04, 97,610.18 and 38,903.08 is: 53,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.04 : 97,610.18 = 38,903.08 : x
  2. Step 2: Convert to fraction form
    70,732.04/97,610.18 = 38,903.08/x
  3. Step 3: Cross multiply
    70,732.04x = 97,610.18 × 38,903.08
  4. Step 4: Simplify right side
    70,732.04x = 3,797,336,641.35
  5. Step 5: Solve for x
    x = 3,797,336,641.35/70,732.04
  6. Step 6: Final answer
    x = 53,686.23

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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.