Home / 105,181.20-145,150.85-59,862.63

Finding the Fourth Proportional to 105,181.20, 145,150.85 and 59,862.63

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Solution

The fourth proportional to 105,181.20, 145,150.85 and 59,862.63 is: 82,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,181.20 : 145,150.85 = 59,862.63 : x
  2. Step 2: Convert to fraction form
    105,181.20/145,150.85 = 59,862.63/x
  3. Step 3: Cross multiply
    105,181.20x = 145,150.85 × 59,862.63
  4. Step 4: Simplify right side
    105,181.20x = 8,689,111,865.04
  5. Step 5: Solve for x
    x = 8,689,111,865.04/105,181.20
  6. Step 6: Final answer
    x = 82,610.88

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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.