Home / 61,742.32-85,203.23-34,518.29

Finding the Fourth Proportional to 61,742.32, 85,203.23 and 34,518.29

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Solution

The fourth proportional to 61,742.32, 85,203.23 and 34,518.29 is: 47,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.32 : 85,203.23 = 34,518.29 : x
  2. Step 2: Convert to fraction form
    61,742.32/85,203.23 = 34,518.29/x
  3. Step 3: Cross multiply
    61,742.32x = 85,203.23 × 34,518.29
  4. Step 4: Simplify right side
    61,742.32x = 2,941,069,203.47
  5. Step 5: Solve for x
    x = 2,941,069,203.47/61,742.32
  6. Step 6: Final answer
    x = 47,634.58

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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.