Home / 110,966.66-153,134.69-59,979.29

Finding the Fourth Proportional to 110,966.66, 153,134.69 and 59,979.29

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Solution

The fourth proportional to 110,966.66, 153,134.69 and 59,979.29 is: 82,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966.66 : 153,134.69 = 59,979.29 : x
  2. Step 2: Convert to fraction form
    110,966.66/153,134.69 = 59,979.29/x
  3. Step 3: Cross multiply
    110,966.66x = 153,134.69 × 59,979.29
  4. Step 4: Simplify right side
    110,966.66x = 9,184,908,915.00
  5. Step 5: Solve for x
    x = 9,184,908,915.00/110,966.66
  6. Step 6: Final answer
    x = 82,771.79

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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.