Home / 105,697.02-145,867.86-62,701.97

Finding the Fourth Proportional to 105,697.02, 145,867.86 and 62,701.97

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Solution

The fourth proportional to 105,697.02, 145,867.86 and 62,701.97 is: 86,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,697.02 : 145,867.86 = 62,701.97 : x
  2. Step 2: Convert to fraction form
    105,697.02/145,867.86 = 62,701.97/x
  3. Step 3: Cross multiply
    105,697.02x = 145,867.86 × 62,701.97
  4. Step 4: Simplify right side
    105,697.02x = 9,146,201,868.17
  5. Step 5: Solve for x
    x = 9,146,201,868.17/105,697.02
  6. Step 6: Final answer
    x = 86,532.26

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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.