Home / 70,425.41-97,187.35-38,160.10

Finding the Fourth Proportional to 70,425.41, 97,187.35 and 38,160.10

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Solution

The fourth proportional to 70,425.41, 97,187.35 and 38,160.10 is: 52,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,425.41 : 97,187.35 = 38,160.10 : x
  2. Step 2: Convert to fraction form
    70,425.41/97,187.35 = 38,160.10/x
  3. Step 3: Cross multiply
    70,425.41x = 97,187.35 × 38,160.10
  4. Step 4: Simplify right side
    70,425.41x = 3,708,678,508.80
  5. Step 5: Solve for x
    x = 3,708,678,508.80/70,425.41
  6. Step 6: Final answer
    x = 52,661.09

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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.