Home / 48,123.27-72,188.55-13,065.66

Finding the Fourth Proportional to 48,123.27, 72,188.55 and 13,065.66

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Solution

The fourth proportional to 48,123.27, 72,188.55 and 13,065.66 is: 19,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123.27 : 72,188.55 = 13,065.66 : x
  2. Step 2: Convert to fraction form
    48,123.27/72,188.55 = 13,065.66/x
  3. Step 3: Cross multiply
    48,123.27x = 72,188.55 × 13,065.66
  4. Step 4: Simplify right side
    48,123.27x = 943,191,050.19
  5. Step 5: Solve for x
    x = 943,191,050.19/48,123.27
  6. Step 6: Final answer
    x = 19,599.48

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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.