Home / 96,876.20-145,314.30-84,823.40

Finding the Fourth Proportional to 96,876.20, 145,314.30 and 84,823.40

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Solution

The fourth proportional to 96,876.20, 145,314.30 and 84,823.40 is: 127,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,876.20 : 145,314.30 = 84,823.40 : x
  2. Step 2: Convert to fraction form
    96,876.20/145,314.30 = 84,823.40/x
  3. Step 3: Cross multiply
    96,876.20x = 145,314.30 × 84,823.40
  4. Step 4: Simplify right side
    96,876.20x = 12,326,052,994.62
  5. Step 5: Solve for x
    x = 12,326,052,994.62/96,876.20
  6. Step 6: Final answer
    x = 127,235.10

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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.