Home / 54,328.60-81,529.35-32,118.40

Finding the Fourth Proportional to 54,328.60, 81,529.35 and 32,118.40

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Solution

The fourth proportional to 54,328.60, 81,529.35 and 32,118.40 is: 48,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.60 : 81,529.35 = 32,118.40 : x
  2. Step 2: Convert to fraction form
    54,328.60/81,529.35 = 32,118.40/x
  3. Step 3: Cross multiply
    54,328.60x = 81,529.35 × 32,118.40
  4. Step 4: Simplify right side
    54,328.60x = 2,618,592,275.04
  5. Step 5: Solve for x
    x = 2,618,592,275.04/54,328.60
  6. Step 6: Final answer
    x = 48,199.15

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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.