Home / 84,306.60-126,477.36-34,386.84

Finding the Fourth Proportional to 84,306.60, 126,477.36 and 34,386.84

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Solution

The fourth proportional to 84,306.60, 126,477.36 and 34,386.84 is: 51,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,306.60 : 126,477.36 = 34,386.84 : x
  2. Step 2: Convert to fraction form
    84,306.60/126,477.36 = 34,386.84/x
  3. Step 3: Cross multiply
    84,306.60x = 126,477.36 × 34,386.84
  4. Step 4: Simplify right side
    84,306.60x = 4,349,156,741.94
  5. Step 5: Solve for x
    x = 4,349,156,741.94/84,306.60
  6. Step 6: Final answer
    x = 51,587.38

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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.