Home / 78,616.90-108,499.98-48,396.16

Finding the Fourth Proportional to 78,616.90, 108,499.98 and 48,396.16

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Solution

The fourth proportional to 78,616.90, 108,499.98 and 48,396.16 is: 66,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,616.90 : 108,499.98 = 48,396.16 : x
  2. Step 2: Convert to fraction form
    78,616.90/108,499.98 = 48,396.16/x
  3. Step 3: Cross multiply
    78,616.90x = 108,499.98 × 48,396.16
  4. Step 4: Simplify right side
    78,616.90x = 5,250,982,392.08
  5. Step 5: Solve for x
    x = 5,250,982,392.08/78,616.90
  6. Step 6: Final answer
    x = 66,792.03

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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.