Home / 68,237.47-94,168.09-39,574.12

Finding the Fourth Proportional to 68,237.47, 94,168.09 and 39,574.12

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Solution

The fourth proportional to 68,237.47, 94,168.09 and 39,574.12 is: 54,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,237.47 : 94,168.09 = 39,574.12 : x
  2. Step 2: Convert to fraction form
    68,237.47/94,168.09 = 39,574.12/x
  3. Step 3: Cross multiply
    68,237.47x = 94,168.09 × 39,574.12
  4. Step 4: Simplify right side
    68,237.47x = 3,726,619,061.84
  5. Step 5: Solve for x
    x = 3,726,619,061.84/68,237.47
  6. Step 6: Final answer
    x = 54,612.50

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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.