Home / 90,026.13-124,237.36-49,740.82

Finding the Fourth Proportional to 90,026.13, 124,237.36 and 49,740.82

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Solution

The fourth proportional to 90,026.13, 124,237.36 and 49,740.82 is: 68,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026.13 : 124,237.36 = 49,740.82 : x
  2. Step 2: Convert to fraction form
    90,026.13/124,237.36 = 49,740.82/x
  3. Step 3: Cross multiply
    90,026.13x = 124,237.36 × 49,740.82
  4. Step 4: Simplify right side
    90,026.13x = 6,179,668,161.04
  5. Step 5: Solve for x
    x = 6,179,668,161.04/90,026.13
  6. Step 6: Final answer
    x = 68,643.05

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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.