Home / 84,055.48-126,123.30-52,456.96

Finding the Fourth Proportional to 84,055.48, 126,123.30 and 52,456.96

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Solution

The fourth proportional to 84,055.48, 126,123.30 and 52,456.96 is: 78,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,055.48 : 126,123.30 = 52,456.96 : x
  2. Step 2: Convert to fraction form
    84,055.48/126,123.30 = 52,456.96/x
  3. Step 3: Cross multiply
    84,055.48x = 126,123.30 × 52,456.96
  4. Step 4: Simplify right side
    84,055.48x = 6,616,044,903.17
  5. Step 5: Solve for x
    x = 6,616,044,903.17/84,055.48
  6. Step 6: Final answer
    x = 78,710.45

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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.