Home / 48,123.04-72,196.86-20,033.76

Finding the Fourth Proportional to 48,123.04, 72,196.86 and 20,033.76

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Solution

The fourth proportional to 48,123.04, 72,196.86 and 20,033.76 is: 30,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123.04 : 72,196.86 = 20,033.76 : x
  2. Step 2: Convert to fraction form
    48,123.04/72,196.86 = 20,033.76/x
  3. Step 3: Cross multiply
    48,123.04x = 72,196.86 × 20,033.76
  4. Step 4: Simplify right side
    48,123.04x = 1,446,374,565.99
  5. Step 5: Solve for x
    x = 1,446,374,565.99/48,123.04
  6. Step 6: Final answer
    x = 30,055.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.