Home / 84,045.47-126,108.27-52,446.96

Finding the Fourth Proportional to 84,045.47, 126,108.27 and 52,446.96

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Solution

The fourth proportional to 84,045.47, 126,108.27 and 52,446.96 is: 78,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.47 : 126,108.27 = 52,446.96 : x
  2. Step 2: Convert to fraction form
    84,045.47/126,108.27 = 52,446.96/x
  3. Step 3: Cross multiply
    84,045.47x = 126,108.27 × 52,446.96
  4. Step 4: Simplify right side
    84,045.47x = 6,613,995,392.36
  5. Step 5: Solve for x
    x = 6,613,995,392.36/84,045.47
  6. Step 6: Final answer
    x = 78,695.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.