Home / 105,346.92-145,377.73-57,599.76

Finding the Fourth Proportional to 105,346.92, 145,377.73 and 57,599.76

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Solution

The fourth proportional to 105,346.92, 145,377.73 and 57,599.76 is: 79,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346.92 : 145,377.73 = 57,599.76 : x
  2. Step 2: Convert to fraction form
    105,346.92/145,377.73 = 57,599.76/x
  3. Step 3: Cross multiply
    105,346.92x = 145,377.73 × 57,599.76
  4. Step 4: Simplify right side
    105,346.92x = 8,373,722,357.34
  5. Step 5: Solve for x
    x = 8,373,722,357.34/105,346.92
  6. Step 6: Final answer
    x = 79,487.11

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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.