Home / 70,681.68-97,542.75-38,852.61

Finding the Fourth Proportional to 70,681.68, 97,542.75 and 38,852.61

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Solution

The fourth proportional to 70,681.68, 97,542.75 and 38,852.61 is: 53,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.68 : 97,542.75 = 38,852.61 : x
  2. Step 2: Convert to fraction form
    70,681.68/97,542.75 = 38,852.61/x
  3. Step 3: Cross multiply
    70,681.68x = 97,542.75 × 38,852.61
  4. Step 4: Simplify right side
    70,681.68x = 3,789,790,424.08
  5. Step 5: Solve for x
    x = 3,789,790,424.08/70,681.68
  6. Step 6: Final answer
    x = 53,617.72

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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.