Home / 71,108.16-98,168.52-48,480.23

Finding the Fourth Proportional to 71,108.16, 98,168.52 and 48,480.23

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Solution

The fourth proportional to 71,108.16, 98,168.52 and 48,480.23 is: 66,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,108.16 : 98,168.52 = 48,480.23 : x
  2. Step 2: Convert to fraction form
    71,108.16/98,168.52 = 48,480.23/x
  3. Step 3: Cross multiply
    71,108.16x = 98,168.52 × 48,480.23
  4. Step 4: Simplify right side
    71,108.16x = 4,759,231,937.52
  5. Step 5: Solve for x
    x = 4,759,231,937.52/71,108.16
  6. Step 6: Final answer
    x = 66,929.48

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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.