Home / 90,530.40-124,925.52-50,245.92

Finding the Fourth Proportional to 90,530.40, 124,925.52 and 50,245.92

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Solution

The fourth proportional to 90,530.40, 124,925.52 and 50,245.92 is: 69,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.40 : 124,925.52 = 50,245.92 : x
  2. Step 2: Convert to fraction form
    90,530.40/124,925.52 = 50,245.92/x
  3. Step 3: Cross multiply
    90,530.40x = 124,925.52 × 50,245.92
  4. Step 4: Simplify right side
    90,530.40x = 6,276,997,683.88
  5. Step 5: Solve for x
    x = 6,276,997,683.88/90,530.40
  6. Step 6: Final answer
    x = 69,335.80

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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.