Home / 90,070.72-124,298.50-49,236.02

Finding the Fourth Proportional to 90,070.72, 124,298.50 and 49,236.02

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Solution

The fourth proportional to 90,070.72, 124,298.50 and 49,236.02 is: 67,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,070.72 : 124,298.50 = 49,236.02 : x
  2. Step 2: Convert to fraction form
    90,070.72/124,298.50 = 49,236.02/x
  3. Step 3: Cross multiply
    90,070.72x = 124,298.50 × 49,236.02
  4. Step 4: Simplify right side
    90,070.72x = 6,119,963,431.97
  5. Step 5: Solve for x
    x = 6,119,963,431.97/90,070.72
  6. Step 6: Final answer
    x = 67,946.20

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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.