Home / 90,164.54-124,430.73-49,877.61

Finding the Fourth Proportional to 90,164.54, 124,430.73 and 49,877.61

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Solution

The fourth proportional to 90,164.54, 124,430.73 and 49,877.61 is: 68,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164.54 : 124,430.73 = 49,877.61 : x
  2. Step 2: Convert to fraction form
    90,164.54/124,430.73 = 49,877.61/x
  3. Step 3: Cross multiply
    90,164.54x = 124,430.73 × 49,877.61
  4. Step 4: Simplify right side
    90,164.54x = 6,206,307,574.80
  5. Step 5: Solve for x
    x = 6,206,307,574.80/90,164.54
  6. Step 6: Final answer
    x = 68,833.13

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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.