Home / 90,047.68-124,266.18-49,212.64

Finding the Fourth Proportional to 90,047.68, 124,266.18 and 49,212.64

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Solution

The fourth proportional to 90,047.68, 124,266.18 and 49,212.64 is: 67,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047.68 : 124,266.18 = 49,212.64 : x
  2. Step 2: Convert to fraction form
    90,047.68/124,266.18 = 49,212.64/x
  3. Step 3: Cross multiply
    90,047.68x = 124,266.18 × 49,212.64
  4. Step 4: Simplify right side
    90,047.68x = 6,115,466,780.52
  5. Step 5: Solve for x
    x = 6,115,466,780.52/90,047.68
  6. Step 6: Final answer
    x = 67,913.66

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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.