Home / 57,145.20-78,869.72-34,173.52

Finding the Fourth Proportional to 57,145.20, 78,869.72 and 34,173.52

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Solution

The fourth proportional to 57,145.20, 78,869.72 and 34,173.52 is: 47,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.20 : 78,869.72 = 34,173.52 : x
  2. Step 2: Convert to fraction form
    57,145.20/78,869.72 = 34,173.52/x
  3. Step 3: Cross multiply
    57,145.20x = 78,869.72 × 34,173.52
  4. Step 4: Simplify right side
    57,145.20x = 2,695,255,953.81
  5. Step 5: Solve for x
    x = 2,695,255,953.81/57,145.20
  6. Step 6: Final answer
    x = 47,165.05

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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.