Home / 89,451.16-123,445.58-49,166.36

Finding the Fourth Proportional to 89,451.16, 123,445.58 and 49,166.36

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Solution

The fourth proportional to 89,451.16, 123,445.58 and 49,166.36 is: 67,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,451.16 : 123,445.58 = 49,166.36 : x
  2. Step 2: Convert to fraction form
    89,451.16/123,445.58 = 49,166.36/x
  3. Step 3: Cross multiply
    89,451.16x = 123,445.58 × 49,166.36
  4. Step 4: Simplify right side
    89,451.16x = 6,069,369,826.69
  5. Step 5: Solve for x
    x = 6,069,369,826.69/89,451.16
  6. Step 6: Final answer
    x = 67,851.21

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1.5x scale

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.