Home / 105,993.12-146,278.65-60,685.32

Finding the Fourth Proportional to 105,993.12, 146,278.65 and 60,685.32

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Solution

The fourth proportional to 105,993.12, 146,278.65 and 60,685.32 is: 83,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,993.12 : 146,278.65 = 60,685.32 : x
  2. Step 2: Convert to fraction form
    105,993.12/146,278.65 = 60,685.32/x
  3. Step 3: Cross multiply
    105,993.12x = 146,278.65 × 60,685.32
  4. Step 4: Simplify right side
    105,993.12x = 8,876,966,684.42
  5. Step 5: Solve for x
    x = 8,876,966,684.42/105,993.12
  6. Step 6: Final answer
    x = 83,750.40

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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.