Home / 101,447.45-140,002.79-58,433.48

Finding the Fourth Proportional to 101,447.45, 140,002.79 and 58,433.48

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Solution

The fourth proportional to 101,447.45, 140,002.79 and 58,433.48 is: 80,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,447.45 : 140,002.79 = 58,433.48 : x
  2. Step 2: Convert to fraction form
    101,447.45/140,002.79 = 58,433.48/x
  3. Step 3: Cross multiply
    101,447.45x = 140,002.79 × 58,433.48
  4. Step 4: Simplify right side
    101,447.45x = 8,180,849,237.23
  5. Step 5: Solve for x
    x = 8,180,849,237.23/101,447.45
  6. Step 6: Final answer
    x = 80,641.25

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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.