Home / 113,748.45-156,974.48-62,763.40

Finding the Fourth Proportional to 113,748.45, 156,974.48 and 62,763.40

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Solution

The fourth proportional to 113,748.45, 156,974.48 and 62,763.40 is: 86,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,748.45 : 156,974.48 = 62,763.40 : x
  2. Step 2: Convert to fraction form
    113,748.45/156,974.48 = 62,763.40/x
  3. Step 3: Cross multiply
    113,748.45x = 156,974.48 × 62,763.40
  4. Step 4: Simplify right side
    113,748.45x = 9,852,252,078.03
  5. Step 5: Solve for x
    x = 9,852,252,078.03/113,748.45
  6. Step 6: Final answer
    x = 86,614.39

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1.5x scale

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.