Home / 113,983.38-170,948.93-42,913.40

Finding the Fourth Proportional to 113,983.38, 170,948.93 and 42,913.40

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Solution

The fourth proportional to 113,983.38, 170,948.93 and 42,913.40 is: 64,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,983.38 : 170,948.93 = 42,913.40 : x
  2. Step 2: Convert to fraction form
    113,983.38/170,948.93 = 42,913.40/x
  3. Step 3: Cross multiply
    113,983.38x = 170,948.93 × 42,913.40
  4. Step 4: Simplify right side
    113,983.38x = 7,336,000,202.31
  5. Step 5: Solve for x
    x = 7,336,000,202.31/113,983.38
  6. Step 6: Final answer
    x = 64,360.26

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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.