Home / 110,985.02-153,159.12-59,997.78

Finding the Fourth Proportional to 110,985.02, 153,159.12 and 59,997.78

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Solution

The fourth proportional to 110,985.02, 153,159.12 and 59,997.78 is: 82,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,985.02 : 153,159.12 = 59,997.78 : x
  2. Step 2: Convert to fraction form
    110,985.02/153,159.12 = 59,997.78/x
  3. Step 3: Cross multiply
    110,985.02x = 153,159.12 × 59,997.78
  4. Step 4: Simplify right side
    110,985.02x = 9,189,207,186.75
  5. Step 5: Solve for x
    x = 9,189,207,186.75/110,985.02
  6. Step 6: Final answer
    x = 82,796.83

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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.