Home / 108,133.30-149,224.17-60,386.50

Finding the Fourth Proportional to 108,133.30, 149,224.17 and 60,386.50

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Solution

The fourth proportional to 108,133.30, 149,224.17 and 60,386.50 is: 83,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,133.30 : 149,224.17 = 60,386.50 : x
  2. Step 2: Convert to fraction form
    108,133.30/149,224.17 = 60,386.50/x
  3. Step 3: Cross multiply
    108,133.30x = 149,224.17 × 60,386.50
  4. Step 4: Simplify right side
    108,133.30x = 9,011,125,341.71
  5. Step 5: Solve for x
    x = 9,011,125,341.71/108,133.30
  6. Step 6: Final answer
    x = 83,333.49

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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.