Home / 90,041.76-124,258.02-49,206.71

Finding the Fourth Proportional to 90,041.76, 124,258.02 and 49,206.71

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Solution

The fourth proportional to 90,041.76, 124,258.02 and 49,206.71 is: 67,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,041.76 : 124,258.02 = 49,206.71 : x
  2. Step 2: Convert to fraction form
    90,041.76/124,258.02 = 49,206.71/x
  3. Step 3: Cross multiply
    90,041.76x = 124,258.02 × 49,206.71
  4. Step 4: Simplify right side
    90,041.76x = 6,114,327,782.48
  5. Step 5: Solve for x
    x = 6,114,327,782.48/90,041.76
  6. Step 6: Final answer
    x = 67,905.47

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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.