Home / 105,482.11-145,635.79-62,475.43

Finding the Fourth Proportional to 105,482.11, 145,635.79 and 62,475.43

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Solution

The fourth proportional to 105,482.11, 145,635.79 and 62,475.43 is: 86,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,482.11 : 145,635.79 = 62,475.43 : x
  2. Step 2: Convert to fraction form
    105,482.11/145,635.79 = 62,475.43/x
  3. Step 3: Cross multiply
    105,482.11x = 145,635.79 × 62,475.43
  4. Step 4: Simplify right side
    105,482.11x = 9,098,658,603.64
  5. Step 5: Solve for x
    x = 9,098,658,603.64/105,482.11
  6. Step 6: Final answer
    x = 86,257.84

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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.