Home / 105,570.52-145,689.68-60,247.60

Finding the Fourth Proportional to 105,570.52, 145,689.68 and 60,247.60

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Solution

The fourth proportional to 105,570.52, 145,689.68 and 60,247.60 is: 83,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,570.52 : 145,689.68 = 60,247.60 : x
  2. Step 2: Convert to fraction form
    105,570.52/145,689.68 = 60,247.60/x
  3. Step 3: Cross multiply
    105,570.52x = 145,689.68 × 60,247.60
  4. Step 4: Simplify right side
    105,570.52x = 8,777,453,351.16
  5. Step 5: Solve for x
    x = 8,777,453,351.16/105,570.52
  6. Step 6: Final answer
    x = 83,143.04

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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.