Home / 113,587.90-170,384.48-54,358.47

Finding the Fourth Proportional to 113,587.90, 170,384.48 and 54,358.47

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Solution

The fourth proportional to 113,587.90, 170,384.48 and 54,358.47 is: 81,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,587.90 : 170,384.48 = 54,358.47 : x
  2. Step 2: Convert to fraction form
    113,587.90/170,384.48 = 54,358.47/x
  3. Step 3: Cross multiply
    113,587.90x = 170,384.48 × 54,358.47
  4. Step 4: Simplify right side
    113,587.90x = 9,261,839,644.55
  5. Step 5: Solve for x
    x = 9,261,839,644.55/113,587.90
  6. Step 6: Final answer
    x = 81,538.96

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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.