Home / 61,756.12-85,221.16-33,461.20

Finding the Fourth Proportional to 61,756.12, 85,221.16 and 33,461.20

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Solution

The fourth proportional to 61,756.12, 85,221.16 and 33,461.20 is: 46,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,756.12 : 85,221.16 = 33,461.20 : x
  2. Step 2: Convert to fraction form
    61,756.12/85,221.16 = 33,461.20/x
  3. Step 3: Cross multiply
    61,756.12x = 85,221.16 × 33,461.20
  4. Step 4: Simplify right side
    61,756.12x = 2,851,602,490.08
  5. Step 5: Solve for x
    x = 2,851,602,490.08/61,756.12
  6. Step 6: Final answer
    x = 46,175.22

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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.