Home / 113,803.76-157,068.36-66,097.04

Finding the Fourth Proportional to 113,803.76, 157,068.36 and 66,097.04

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Solution

The fourth proportional to 113,803.76, 157,068.36 and 66,097.04 is: 91,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,803.76 : 157,068.36 = 66,097.04 : x
  2. Step 2: Convert to fraction form
    113,803.76/157,068.36 = 66,097.04/x
  3. Step 3: Cross multiply
    113,803.76x = 157,068.36 × 66,097.04
  4. Step 4: Simplify right side
    113,803.76x = 10,381,753,673.65
  5. Step 5: Solve for x
    x = 10,381,753,673.65/113,803.76
  6. Step 6: Final answer
    x = 91,225.05

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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.