Home / 108,721.34-150,036.53-60,973.66

Finding the Fourth Proportional to 108,721.34, 150,036.53 and 60,973.66

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Solution

The fourth proportional to 108,721.34, 150,036.53 and 60,973.66 is: 84,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,721.34 : 150,036.53 = 60,973.66 : x
  2. Step 2: Convert to fraction form
    108,721.34/150,036.53 = 60,973.66/x
  3. Step 3: Cross multiply
    108,721.34x = 150,036.53 × 60,973.66
  4. Step 4: Simplify right side
    108,721.34x = 9,148,276,367.80
  5. Step 5: Solve for x
    x = 9,148,276,367.80/108,721.34
  6. Step 6: Final answer
    x = 84,144.26

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1.5x scale

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.