Home / 105,395.06-158,092.86-43,065.56

Finding the Fourth Proportional to 105,395.06, 158,092.86 and 43,065.56

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Solution

The fourth proportional to 105,395.06, 158,092.86 and 43,065.56 is: 64,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.06 : 158,092.86 = 43,065.56 : x
  2. Step 2: Convert to fraction form
    105,395.06/158,092.86 = 43,065.56/x
  3. Step 3: Cross multiply
    105,395.06x = 158,092.86 × 43,065.56
  4. Step 4: Simplify right side
    105,395.06x = 6,808,357,547.90
  5. Step 5: Solve for x
    x = 6,808,357,547.90/105,395.06
  6. Step 6: Final answer
    x = 64,598.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.