Home / 75,856.65-104,680.20-41,864.68

Finding the Fourth Proportional to 75,856.65, 104,680.20 and 41,864.68

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Solution

The fourth proportional to 75,856.65, 104,680.20 and 41,864.68 is: 57,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,856.65 : 104,680.20 = 41,864.68 : x
  2. Step 2: Convert to fraction form
    75,856.65/104,680.20 = 41,864.68/x
  3. Step 3: Cross multiply
    75,856.65x = 104,680.20 × 41,864.68
  4. Step 4: Simplify right side
    75,856.65x = 4,382,403,075.34
  5. Step 5: Solve for x
    x = 4,382,403,075.34/75,856.65
  6. Step 6: Final answer
    x = 57,772.17

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1.5x scale

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.