Home / 94,011.42-129,734.55-53,724.72

Finding the Fourth Proportional to 94,011.42, 129,734.55 and 53,724.72

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Solution

The fourth proportional to 94,011.42, 129,734.55 and 53,724.72 is: 74,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,011.42 : 129,734.55 = 53,724.72 : x
  2. Step 2: Convert to fraction form
    94,011.42/129,734.55 = 53,724.72/x
  3. Step 3: Cross multiply
    94,011.42x = 129,734.55 × 53,724.72
  4. Step 4: Simplify right side
    94,011.42x = 6,969,952,373.08
  5. Step 5: Solve for x
    x = 6,969,952,373.08/94,011.42
  6. Step 6: Final answer
    x = 74,139.42

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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.