Home / 65,235.04-90,061.68-42,943.84

Finding the Fourth Proportional to 65,235.04, 90,061.68 and 42,943.84

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Solution

The fourth proportional to 65,235.04, 90,061.68 and 42,943.84 is: 59,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.04 : 90,061.68 = 42,943.84 : x
  2. Step 2: Convert to fraction form
    65,235.04/90,061.68 = 42,943.84/x
  3. Step 3: Cross multiply
    65,235.04x = 90,061.68 × 42,943.84
  4. Step 4: Simplify right side
    65,235.04x = 3,867,594,376.05
  5. Step 5: Solve for x
    x = 3,867,594,376.05/65,235.04
  6. Step 6: Final answer
    x = 59,287.07

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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.