Home / 65,354.13-90,116.67-45,175.98

Finding the Fourth Proportional to 65,354.13, 90,116.67 and 45,175.98

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Solution

The fourth proportional to 65,354.13, 90,116.67 and 45,175.98 is: 62,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,354.13 : 90,116.67 = 45,175.98 : x
  2. Step 2: Convert to fraction form
    65,354.13/90,116.67 = 45,175.98/x
  3. Step 3: Cross multiply
    65,354.13x = 90,116.67 × 45,175.98
  4. Step 4: Simplify right side
    65,354.13x = 4,071,109,050.11
  5. Step 5: Solve for x
    x = 4,071,109,050.11/65,354.13
  6. Step 6: Final answer
    x = 62,293.06

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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.