Home / 90,239.25-124,528.35-49,953

Finding the Fourth Proportional to 90,239.25, 124,528.35 and 49,953

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Solution

The fourth proportional to 90,239.25, 124,528.35 and 49,953 is: 68,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,239.25 : 124,528.35 = 49,953 : x
  2. Step 2: Convert to fraction form
    90,239.25/124,528.35 = 49,953/x
  3. Step 3: Cross multiply
    90,239.25x = 124,528.35 × 49,953
  4. Step 4: Simplify right side
    90,239.25x = 6,220,564,667.55
  5. Step 5: Solve for x
    x = 6,220,564,667.55/90,239.25
  6. Step 6: Final answer
    x = 68,934.14

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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.