Home / 87,320.23-130,870.76-37,341.56

Finding the Fourth Proportional to 87,320.23, 130,870.76 and 37,341.56

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Solution

The fourth proportional to 87,320.23, 130,870.76 and 37,341.56 is: 55,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.23 : 130,870.76 = 37,341.56 : x
  2. Step 2: Convert to fraction form
    87,320.23/130,870.76 = 37,341.56/x
  3. Step 3: Cross multiply
    87,320.23x = 130,870.76 × 37,341.56
  4. Step 4: Simplify right side
    87,320.23x = 4,886,918,056.18
  5. Step 5: Solve for x
    x = 4,886,918,056.18/87,320.23
  6. Step 6: Final answer
    x = 55,965.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.