Home / 105,777.15-145,963.17-60,446.13

Finding the Fourth Proportional to 105,777.15, 145,963.17 and 60,446.13

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Solution

The fourth proportional to 105,777.15, 145,963.17 and 60,446.13 is: 83,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,777.15 : 145,963.17 = 60,446.13 : x
  2. Step 2: Convert to fraction form
    105,777.15/145,963.17 = 60,446.13/x
  3. Step 3: Cross multiply
    105,777.15x = 145,963.17 × 60,446.13
  4. Step 4: Simplify right side
    105,777.15x = 8,822,908,749.03
  5. Step 5: Solve for x
    x = 8,822,908,749.03/105,777.15
  6. Step 6: Final answer
    x = 83,410.35

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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.