Home / 83,877.36-115,690.20-48,054.30

Finding the Fourth Proportional to 83,877.36, 115,690.20 and 48,054.30

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Solution

The fourth proportional to 83,877.36, 115,690.20 and 48,054.30 is: 66,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,877.36 : 115,690.20 = 48,054.30 : x
  2. Step 2: Convert to fraction form
    83,877.36/115,690.20 = 48,054.30/x
  3. Step 3: Cross multiply
    83,877.36x = 115,690.20 × 48,054.30
  4. Step 4: Simplify right side
    83,877.36x = 5,559,411,577.86
  5. Step 5: Solve for x
    x = 5,559,411,577.86/83,877.36
  6. Step 6: Final answer
    x = 66,280.24

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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.