Home / 118,445.30-163,454.25-67,458.03

Finding the Fourth Proportional to 118,445.30, 163,454.25 and 67,458.03

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Solution

The fourth proportional to 118,445.30, 163,454.25 and 67,458.03 is: 93,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,445.30 : 163,454.25 = 67,458.03 : x
  2. Step 2: Convert to fraction form
    118,445.30/163,454.25 = 67,458.03/x
  3. Step 3: Cross multiply
    118,445.30x = 163,454.25 × 67,458.03
  4. Step 4: Simplify right side
    118,445.30x = 11,026,302,259.57
  5. Step 5: Solve for x
    x = 11,026,302,259.57/118,445.30
  6. Step 6: Final answer
    x = 93,091.93

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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.