Home / 108,853.60-163,223.76-38,722.72

Finding the Fourth Proportional to 108,853.60, 163,223.76 and 38,722.72

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Solution

The fourth proportional to 108,853.60, 163,223.76 and 38,722.72 is: 58,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,853.60 : 163,223.76 = 38,722.72 : x
  2. Step 2: Convert to fraction form
    108,853.60/163,223.76 = 38,722.72/x
  3. Step 3: Cross multiply
    108,853.60x = 163,223.76 × 38,722.72
  4. Step 4: Simplify right side
    108,853.60x = 6,320,467,955.83
  5. Step 5: Solve for x
    x = 6,320,467,955.83/108,853.60
  6. Step 6: Final answer
    x = 58,063.93

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1.5x scale

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.