Home / 90,545.06-124,966.98-50,271.86

Finding the Fourth Proportional to 90,545.06, 124,966.98 and 50,271.86

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Solution

The fourth proportional to 90,545.06, 124,966.98 and 50,271.86 is: 69,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,545.06 : 124,966.98 = 50,271.86 : x
  2. Step 2: Convert to fraction form
    90,545.06/124,966.98 = 50,271.86/x
  3. Step 3: Cross multiply
    90,545.06x = 124,966.98 × 50,271.86
  4. Step 4: Simplify right side
    90,545.06x = 6,282,322,523.18
  5. Step 5: Solve for x
    x = 6,282,322,523.18/90,545.06
  6. Step 6: Final answer
    x = 69,383.38

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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.