Home / 84,549.78-126,714.45-47,108.34

Finding the Fourth Proportional to 84,549.78, 126,714.45 and 47,108.34

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Solution

The fourth proportional to 84,549.78, 126,714.45 and 47,108.34 is: 70,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549.78 : 126,714.45 = 47,108.34 : x
  2. Step 2: Convert to fraction form
    84,549.78/126,714.45 = 47,108.34/x
  3. Step 3: Cross multiply
    84,549.78x = 126,714.45 × 47,108.34
  4. Step 4: Simplify right side
    84,549.78x = 5,969,307,393.51
  5. Step 5: Solve for x
    x = 5,969,307,393.51/84,549.78
  6. Step 6: Final answer
    x = 70,601.10

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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.