Home / 109,943.89-151,722.86-59,642.89

Finding the Fourth Proportional to 109,943.89, 151,722.86 and 59,642.89

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Solution

The fourth proportional to 109,943.89, 151,722.86 and 59,642.89 is: 82,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,943.89 : 151,722.86 = 59,642.89 : x
  2. Step 2: Convert to fraction form
    109,943.89/151,722.86 = 59,642.89/x
  3. Step 3: Cross multiply
    109,943.89x = 151,722.86 × 59,642.89
  4. Step 4: Simplify right side
    109,943.89x = 9,049,189,849.47
  5. Step 5: Solve for x
    x = 9,049,189,849.47/109,943.89
  6. Step 6: Final answer
    x = 82,307.35

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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.