Home / 48,111.13-72,177.63-21,823.39

Finding the Fourth Proportional to 48,111.13, 72,177.63 and 21,823.39

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Solution

The fourth proportional to 48,111.13, 72,177.63 and 21,823.39 is: 32,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,111.13 : 72,177.63 = 21,823.39 : x
  2. Step 2: Convert to fraction form
    48,111.13/72,177.63 = 21,823.39/x
  3. Step 3: Cross multiply
    48,111.13x = 72,177.63 × 21,823.39
  4. Step 4: Simplify right side
    48,111.13x = 1,575,160,568.77
  5. Step 5: Solve for x
    x = 1,575,160,568.77/48,111.13
  6. Step 6: Final answer
    x = 32,740.05

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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.