Home / 108,870.38-163,242.01-42,232.64

Finding the Fourth Proportional to 108,870.38, 163,242.01 and 42,232.64

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Solution

The fourth proportional to 108,870.38, 163,242.01 and 42,232.64 is: 63,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870.38 : 163,242.01 = 42,232.64 : x
  2. Step 2: Convert to fraction form
    108,870.38/163,242.01 = 42,232.64/x
  3. Step 3: Cross multiply
    108,870.38x = 163,242.01 × 42,232.64
  4. Step 4: Simplify right side
    108,870.38x = 6,894,140,830.04
  5. Step 5: Solve for x
    x = 6,894,140,830.04/108,870.38
  6. Step 6: Final answer
    x = 63,324.30

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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.