Home / 61,742.16-85,199.12-34,887

Finding the Fourth Proportional to 61,742.16, 85,199.12 and 34,887

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Solution

The fourth proportional to 61,742.16, 85,199.12 and 34,887 is: 48,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.16 : 85,199.12 = 34,887 : x
  2. Step 2: Convert to fraction form
    61,742.16/85,199.12 = 34,887/x
  3. Step 3: Cross multiply
    61,742.16x = 85,199.12 × 34,887
  4. Step 4: Simplify right side
    61,742.16x = 2,972,341,699.44
  5. Step 5: Solve for x
    x = 2,972,341,699.44/61,742.16
  6. Step 6: Final answer
    x = 48,141.20

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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.