Home / 118,631.19-163,722.18-70,883.52

Finding the Fourth Proportional to 118,631.19, 163,722.18 and 70,883.52

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Solution

The fourth proportional to 118,631.19, 163,722.18 and 70,883.52 is: 97,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,631.19 : 163,722.18 = 70,883.52 : x
  2. Step 2: Convert to fraction form
    118,631.19/163,722.18 = 70,883.52/x
  3. Step 3: Cross multiply
    118,631.19x = 163,722.18 × 70,883.52
  4. Step 4: Simplify right side
    118,631.19x = 11,605,204,420.47
  5. Step 5: Solve for x
    x = 11,605,204,420.47/118,631.19
  6. Step 6: Final answer
    x = 97,825.91

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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.