Home / 113,411.10-170,116.65-38,615.70

Finding the Fourth Proportional to 113,411.10, 170,116.65 and 38,615.70

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Solution

The fourth proportional to 113,411.10, 170,116.65 and 38,615.70 is: 57,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,411.10 : 170,116.65 = 38,615.70 : x
  2. Step 2: Convert to fraction form
    113,411.10/170,116.65 = 38,615.70/x
  3. Step 3: Cross multiply
    113,411.10x = 170,116.65 × 38,615.70
  4. Step 4: Simplify right side
    113,411.10x = 6,569,173,521.41
  5. Step 5: Solve for x
    x = 6,569,173,521.41/113,411.10
  6. Step 6: Final answer
    x = 57,923.55

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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.