Home / 90,432.13-124,795.83-50,151.84

Finding the Fourth Proportional to 90,432.13, 124,795.83 and 50,151.84

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Solution

The fourth proportional to 90,432.13, 124,795.83 and 50,151.84 is: 69,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.13 : 124,795.83 = 50,151.84 : x
  2. Step 2: Convert to fraction form
    90,432.13/124,795.83 = 50,151.84/x
  3. Step 3: Cross multiply
    90,432.13x = 124,795.83 × 50,151.84
  4. Step 4: Simplify right side
    90,432.13x = 6,258,740,498.83
  5. Step 5: Solve for x
    x = 6,258,740,498.83/90,432.13
  6. Step 6: Final answer
    x = 69,209.26

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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.