Home / 69,650.13-96,158.20-42,436.48

Finding the Fourth Proportional to 69,650.13, 96,158.20 and 42,436.48

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Solution

The fourth proportional to 69,650.13, 96,158.20 and 42,436.48 is: 58,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,650.13 : 96,158.20 = 42,436.48 : x
  2. Step 2: Convert to fraction form
    69,650.13/96,158.20 = 42,436.48/x
  3. Step 3: Cross multiply
    69,650.13x = 96,158.20 × 42,436.48
  4. Step 4: Simplify right side
    69,650.13x = 4,080,615,531.14
  5. Step 5: Solve for x
    x = 4,080,615,531.14/69,650.13
  6. Step 6: Final answer
    x = 58,587.34

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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.