Home / 84,417.18-126,579.01-34,532.30

Finding the Fourth Proportional to 84,417.18, 126,579.01 and 34,532.30

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Solution

The fourth proportional to 84,417.18, 126,579.01 and 34,532.30 is: 51,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,417.18 : 126,579.01 = 34,532.30 : x
  2. Step 2: Convert to fraction form
    84,417.18/126,579.01 = 34,532.30/x
  3. Step 3: Cross multiply
    84,417.18x = 126,579.01 × 34,532.30
  4. Step 4: Simplify right side
    84,417.18x = 4,371,064,347.02
  5. Step 5: Solve for x
    x = 4,371,064,347.02/84,417.18
  6. Step 6: Final answer
    x = 51,779.32

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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.