Home / 76,304.68-105,297.33-42,311.14

Finding the Fourth Proportional to 76,304.68, 105,297.33 and 42,311.14

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Solution

The fourth proportional to 76,304.68, 105,297.33 and 42,311.14 is: 58,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,304.68 : 105,297.33 = 42,311.14 : x
  2. Step 2: Convert to fraction form
    76,304.68/105,297.33 = 42,311.14/x
  3. Step 3: Cross multiply
    76,304.68x = 105,297.33 × 42,311.14
  4. Step 4: Simplify right side
    76,304.68x = 4,455,250,071.26
  5. Step 5: Solve for x
    x = 4,455,250,071.26/76,304.68
  6. Step 6: Final answer
    x = 58,387.64

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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.