Home / 42,116.80-63,098.40-34,283.20

Finding the Fourth Proportional to 42,116.80, 63,098.40 and 34,283.20

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Solution

The fourth proportional to 42,116.80, 63,098.40 and 34,283.20 is: 51,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,116.80 : 63,098.40 = 34,283.20 : x
  2. Step 2: Convert to fraction form
    42,116.80/63,098.40 = 34,283.20/x
  3. Step 3: Cross multiply
    42,116.80x = 63,098.40 × 34,283.20
  4. Step 4: Simplify right side
    42,116.80x = 2,163,215,066.88
  5. Step 5: Solve for x
    x = 2,163,215,066.88/42,116.80
  6. Step 6: Final answer
    x = 51,362.28

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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.