Home / 108,717.51-150,031.43-60,320.35

Finding the Fourth Proportional to 108,717.51, 150,031.43 and 60,320.35

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Solution

The fourth proportional to 108,717.51, 150,031.43 and 60,320.35 is: 83,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,717.51 : 150,031.43 = 60,320.35 : x
  2. Step 2: Convert to fraction form
    108,717.51/150,031.43 = 60,320.35/x
  3. Step 3: Cross multiply
    108,717.51x = 150,031.43 × 60,320.35
  4. Step 4: Simplify right side
    108,717.51x = 9,049,948,368.60
  5. Step 5: Solve for x
    x = 9,049,948,368.60/108,717.51
  6. Step 6: Final answer
    x = 83,242.79

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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.