Home / 90,065.08-124,340.43-59,891.50

Finding the Fourth Proportional to 90,065.08, 124,340.43 and 59,891.50

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Solution

The fourth proportional to 90,065.08, 124,340.43 and 59,891.50 is: 82,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,065.08 : 124,340.43 = 59,891.50 : x
  2. Step 2: Convert to fraction form
    90,065.08/124,340.43 = 59,891.50/x
  3. Step 3: Cross multiply
    90,065.08x = 124,340.43 × 59,891.50
  4. Step 4: Simplify right side
    90,065.08x = 7,446,934,863.35
  5. Step 5: Solve for x
    x = 7,446,934,863.35/90,065.08
  6. Step 6: Final answer
    x = 82,683.93

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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.