Home / 108,962.40-163,501.20-49,807.20

Finding the Fourth Proportional to 108,962.40, 163,501.20 and 49,807.20

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Solution

The fourth proportional to 108,962.40, 163,501.20 and 49,807.20 is: 74,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962.40 : 163,501.20 = 49,807.20 : x
  2. Step 2: Convert to fraction form
    108,962.40/163,501.20 = 49,807.20/x
  3. Step 3: Cross multiply
    108,962.40x = 163,501.20 × 49,807.20
  4. Step 4: Simplify right side
    108,962.40x = 8,143,536,968.64
  5. Step 5: Solve for x
    x = 8,143,536,968.64/108,962.40
  6. Step 6: Final answer
    x = 74,737.13

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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.