Home / 118,386.24-163,372.80-68,094.72

Finding the Fourth Proportional to 118,386.24, 163,372.80 and 68,094.72

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Solution

The fourth proportional to 118,386.24, 163,372.80 and 68,094.72 is: 93,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,386.24 : 163,372.80 = 68,094.72 : x
  2. Step 2: Convert to fraction form
    118,386.24/163,372.80 = 68,094.72/x
  3. Step 3: Cross multiply
    118,386.24x = 163,372.80 × 68,094.72
  4. Step 4: Simplify right side
    118,386.24x = 11,124,825,071.62
  5. Step 5: Solve for x
    x = 11,124,825,071.62/118,386.24
  6. Step 6: Final answer
    x = 93,970.59

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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.