Home / 90,941.74-125,498.91-50,655.04

Finding the Fourth Proportional to 90,941.74, 125,498.91 and 50,655.04

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Solution

The fourth proportional to 90,941.74, 125,498.91 and 50,655.04 is: 69,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.74 : 125,498.91 = 50,655.04 : x
  2. Step 2: Convert to fraction form
    90,941.74/125,498.91 = 50,655.04/x
  3. Step 3: Cross multiply
    90,941.74x = 125,498.91 × 50,655.04
  4. Step 4: Simplify right side
    90,941.74x = 6,357,152,306.01
  5. Step 5: Solve for x
    x = 6,357,152,306.01/90,941.74
  6. Step 6: Final answer
    x = 69,903.57

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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.