Home / 109,244.16-163,688.96-42,608.96

Finding the Fourth Proportional to 109,244.16, 163,688.96 and 42,608.96

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Solution

The fourth proportional to 109,244.16, 163,688.96 and 42,608.96 is: 63,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,244.16 : 163,688.96 = 42,608.96 : x
  2. Step 2: Convert to fraction form
    109,244.16/163,688.96 = 42,608.96/x
  3. Step 3: Cross multiply
    109,244.16x = 163,688.96 × 42,608.96
  4. Step 4: Simplify right side
    109,244.16x = 6,974,616,349.08
  5. Step 5: Solve for x
    x = 6,974,616,349.08/109,244.16
  6. Step 6: Final answer
    x = 63,844.29

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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.