Home / 48,073.56-72,109.08-21,759.12

Finding the Fourth Proportional to 48,073.56, 72,109.08 and 21,759.12

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Solution

The fourth proportional to 48,073.56, 72,109.08 and 21,759.12 is: 32,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,073.56 : 72,109.08 = 21,759.12 : x
  2. Step 2: Convert to fraction form
    48,073.56/72,109.08 = 21,759.12/x
  3. Step 3: Cross multiply
    48,073.56x = 72,109.08 × 21,759.12
  4. Step 4: Simplify right side
    48,073.56x = 1,569,030,124.81
  5. Step 5: Solve for x
    x = 1,569,030,124.81/48,073.56
  6. Step 6: Final answer
    x = 32,638.11

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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.