Home / 87,165.11-130,624.06-36,509.58

Finding the Fourth Proportional to 87,165.11, 130,624.06 and 36,509.58

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Solution

The fourth proportional to 87,165.11, 130,624.06 and 36,509.58 is: 54,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,165.11 : 130,624.06 = 36,509.58 : x
  2. Step 2: Convert to fraction form
    87,165.11/130,624.06 = 36,509.58/x
  3. Step 3: Cross multiply
    87,165.11x = 130,624.06 × 36,509.58
  4. Step 4: Simplify right side
    87,165.11x = 4,769,029,568.49
  5. Step 5: Solve for x
    x = 4,769,029,568.49/87,165.11
  6. Step 6: Final answer
    x = 54,712.60

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1.5x scale

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.