Home / 108,871.13-163,264.58-42,302.50

Finding the Fourth Proportional to 108,871.13, 163,264.58 and 42,302.50

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Solution

The fourth proportional to 108,871.13, 163,264.58 and 42,302.50 is: 63,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.13 : 163,264.58 = 42,302.50 : x
  2. Step 2: Convert to fraction form
    108,871.13/163,264.58 = 42,302.50/x
  3. Step 3: Cross multiply
    108,871.13x = 163,264.58 × 42,302.50
  4. Step 4: Simplify right side
    108,871.13x = 6,906,499,895.45
  5. Step 5: Solve for x
    x = 6,906,499,895.45/108,871.13
  6. Step 6: Final answer
    x = 63,437.39

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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.