Home / 71,333.52-98,423.34-42,247.20

Finding the Fourth Proportional to 71,333.52, 98,423.34 and 42,247.20

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Solution

The fourth proportional to 71,333.52, 98,423.34 and 42,247.20 is: 58,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,333.52 : 98,423.34 = 42,247.20 : x
  2. Step 2: Convert to fraction form
    71,333.52/98,423.34 = 42,247.20/x
  3. Step 3: Cross multiply
    71,333.52x = 98,423.34 × 42,247.20
  4. Step 4: Simplify right side
    71,333.52x = 4,158,110,529.65
  5. Step 5: Solve for x
    x = 4,158,110,529.65/71,333.52
  6. Step 6: Final answer
    x = 58,291.12

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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.