Home / 75,275.70-113,053.90-66,273.00

Finding the Fourth Proportional to 75,275.70, 113,053.90 and 66,273.00

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Solution

The fourth proportional to 75,275.70, 113,053.90 and 66,273.00 is: 99,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.70 : 113,053.90 = 66,273.00 : x
  2. Step 2: Convert to fraction form
    75,275.70/113,053.90 = 66,273.00/x
  3. Step 3: Cross multiply
    75,275.70x = 113,053.90 × 66,273.00
  4. Step 4: Simplify right side
    75,275.70x = 7,492,421,471.65
  5. Step 5: Solve for x
    x = 7,492,421,471.65/75,275.70
  6. Step 6: Final answer
    x = 99,533.07

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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.