Home / 48,868.08-67,480.08-30,749.04

Finding the Fourth Proportional to 48,868.08, 67,480.08 and 30,749.04

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Solution

The fourth proportional to 48,868.08, 67,480.08 and 30,749.04 is: 42,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,868.08 : 67,480.08 = 30,749.04 : x
  2. Step 2: Convert to fraction form
    48,868.08/67,480.08 = 30,749.04/x
  3. Step 3: Cross multiply
    48,868.08x = 67,480.08 × 30,749.04
  4. Step 4: Simplify right side
    48,868.08x = 2,074,947,679.12
  5. Step 5: Solve for x
    x = 2,074,947,679.12/48,868.08
  6. Step 6: Final answer
    x = 42,460.18

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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.