Home / 94,017.72-129,740.28-51,575.40

Finding the Fourth Proportional to 94,017.72, 129,740.28 and 51,575.40

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Solution

The fourth proportional to 94,017.72, 129,740.28 and 51,575.40 is: 71,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,017.72 : 129,740.28 = 51,575.40 : x
  2. Step 2: Convert to fraction form
    94,017.72/129,740.28 = 51,575.40/x
  3. Step 3: Cross multiply
    94,017.72x = 129,740.28 × 51,575.40
  4. Step 4: Simplify right side
    94,017.72x = 6,691,406,837.11
  5. Step 5: Solve for x
    x = 6,691,406,837.11/94,017.72
  6. Step 6: Final answer
    x = 71,171.76

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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.