Home / 56,731.20-85,521.60-52,925.28

Finding the Fourth Proportional to 56,731.20, 85,521.60 and 52,925.28

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Solution

The fourth proportional to 56,731.20, 85,521.60 and 52,925.28 is: 79,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.20 : 85,521.60 = 52,925.28 : x
  2. Step 2: Convert to fraction form
    56,731.20/85,521.60 = 52,925.28/x
  3. Step 3: Cross multiply
    56,731.20x = 85,521.60 × 52,925.28
  4. Step 4: Simplify right side
    56,731.20x = 4,526,254,626.05
  5. Step 5: Solve for x
    x = 4,526,254,626.05/56,731.20
  6. Step 6: Final answer
    x = 79,784.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.