Home / 118,530.60-163,572.38-67,541.10

Finding the Fourth Proportional to 118,530.60, 163,572.38 and 67,541.10

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Solution

The fourth proportional to 118,530.60, 163,572.38 and 67,541.10 is: 93,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,530.60 : 163,572.38 = 67,541.10 : x
  2. Step 2: Convert to fraction form
    118,530.60/163,572.38 = 67,541.10/x
  3. Step 3: Cross multiply
    118,530.60x = 163,572.38 × 67,541.10
  4. Step 4: Simplify right side
    118,530.60x = 11,047,858,474.82
  5. Step 5: Solve for x
    x = 11,047,858,474.82/118,530.60
  6. Step 6: Final answer
    x = 93,206.80

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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.