Home / 90,560.02-135,822.06-45,569.38

Finding the Fourth Proportional to 90,560.02, 135,822.06 and 45,569.38

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Solution

The fourth proportional to 90,560.02, 135,822.06 and 45,569.38 is: 68,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560.02 : 135,822.06 = 45,569.38 : x
  2. Step 2: Convert to fraction form
    90,560.02/135,822.06 = 45,569.38/x
  3. Step 3: Cross multiply
    90,560.02x = 135,822.06 × 45,569.38
  4. Step 4: Simplify right side
    90,560.02x = 6,189,327,064.52
  5. Step 5: Solve for x
    x = 6,189,327,064.52/90,560.02
  6. Step 6: Final answer
    x = 68,345.03

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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.