Home / 90,066.07-124,293.52-49,780.47

Finding the Fourth Proportional to 90,066.07, 124,293.52 and 49,780.47

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Solution

The fourth proportional to 90,066.07, 124,293.52 and 49,780.47 is: 68,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.07 : 124,293.52 = 49,780.47 : x
  2. Step 2: Convert to fraction form
    90,066.07/124,293.52 = 49,780.47/x
  3. Step 3: Cross multiply
    90,066.07x = 124,293.52 × 49,780.47
  4. Step 4: Simplify right side
    90,066.07x = 6,187,389,843.55
  5. Step 5: Solve for x
    x = 6,187,389,843.55/90,066.07
  6. Step 6: Final answer
    x = 68,698.34

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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.