Home / 57,478.66-79,319.78-32,328.16

Finding the Fourth Proportional to 57,478.66, 79,319.78 and 32,328.16

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Solution

The fourth proportional to 57,478.66, 79,319.78 and 32,328.16 is: 44,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478.66 : 79,319.78 = 32,328.16 : x
  2. Step 2: Convert to fraction form
    57,478.66/79,319.78 = 32,328.16/x
  3. Step 3: Cross multiply
    57,478.66x = 79,319.78 × 32,328.16
  4. Step 4: Simplify right side
    57,478.66x = 2,564,261,980.77
  5. Step 5: Solve for x
    x = 2,564,261,980.77/57,478.66
  6. Step 6: Final answer
    x = 44,612.42

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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.