Home / 64,356.68-88,812.10-39,206.18

Finding the Fourth Proportional to 64,356.68, 88,812.10 and 39,206.18

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Solution

The fourth proportional to 64,356.68, 88,812.10 and 39,206.18 is: 54,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.68 : 88,812.10 = 39,206.18 : x
  2. Step 2: Convert to fraction form
    64,356.68/88,812.10 = 39,206.18/x
  3. Step 3: Cross multiply
    64,356.68x = 88,812.10 × 39,206.18
  4. Step 4: Simplify right side
    64,356.68x = 3,481,983,178.78
  5. Step 5: Solve for x
    x = 3,481,983,178.78/64,356.68
  6. Step 6: Final answer
    x = 54,104.46

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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.