Home / 70,966.40-97,934.30-39,134.48

Finding the Fourth Proportional to 70,966.40, 97,934.30 and 39,134.48

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Solution

The fourth proportional to 70,966.40, 97,934.30 and 39,134.48 is: 54,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,966.40 : 97,934.30 = 39,134.48 : x
  2. Step 2: Convert to fraction form
    70,966.40/97,934.30 = 39,134.48/x
  3. Step 3: Cross multiply
    70,966.40x = 97,934.30 × 39,134.48
  4. Step 4: Simplify right side
    70,966.40x = 3,832,607,904.66
  5. Step 5: Solve for x
    x = 3,832,607,904.66/70,966.40
  6. Step 6: Final answer
    x = 54,005.95

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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.