Home / 85,143.01-117,497.31-49,353.76

Finding the Fourth Proportional to 85,143.01, 117,497.31 and 49,353.76

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Solution

The fourth proportional to 85,143.01, 117,497.31 and 49,353.76 is: 68,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143.01 : 117,497.31 = 49,353.76 : x
  2. Step 2: Convert to fraction form
    85,143.01/117,497.31 = 49,353.76/x
  3. Step 3: Cross multiply
    85,143.01x = 117,497.31 × 49,353.76
  4. Step 4: Simplify right side
    85,143.01x = 5,798,934,038.39
  5. Step 5: Solve for x
    x = 5,798,934,038.39/85,143.01
  6. Step 6: Final answer
    x = 68,108.16

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1.5x scale

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.