Home / 111,287.52-153,576-60,985.44

Finding the Fourth Proportional to 111,287.52, 153,576 and 60,985.44

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Solution

The fourth proportional to 111,287.52, 153,576 and 60,985.44 is: 84,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,287.52 : 153,576 = 60,985.44 : x
  2. Step 2: Convert to fraction form
    111,287.52/153,576 = 60,985.44/x
  3. Step 3: Cross multiply
    111,287.52x = 153,576 × 60,985.44
  4. Step 4: Simplify right side
    111,287.52x = 9,365,899,933.44
  5. Step 5: Solve for x
    x = 9,365,899,933.44/111,287.52
  6. Step 6: Final answer
    x = 84,159.48

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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.