Home / 71,077.90-98,088.78-39,246.08

Finding the Fourth Proportional to 71,077.90, 98,088.78 and 39,246.08

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Solution

The fourth proportional to 71,077.90, 98,088.78 and 39,246.08 is: 54,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.90 : 98,088.78 = 39,246.08 : x
  2. Step 2: Convert to fraction form
    71,077.90/98,088.78 = 39,246.08/x
  3. Step 3: Cross multiply
    71,077.90x = 98,088.78 × 39,246.08
  4. Step 4: Simplify right side
    71,077.90x = 3,849,600,106.98
  5. Step 5: Solve for x
    x = 3,849,600,106.98/71,077.90
  6. Step 6: Final answer
    x = 54,160.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.