Home / 79,304.32-109,429.84-45,315.01

Finding the Fourth Proportional to 79,304.32, 109,429.84 and 45,315.01

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Solution

The fourth proportional to 79,304.32, 109,429.84 and 45,315.01 is: 62,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,304.32 : 109,429.84 = 45,315.01 : x
  2. Step 2: Convert to fraction form
    79,304.32/109,429.84 = 45,315.01/x
  3. Step 3: Cross multiply
    79,304.32x = 109,429.84 × 45,315.01
  4. Step 4: Simplify right side
    79,304.32x = 4,958,814,293.90
  5. Step 5: Solve for x
    x = 4,958,814,293.90/79,304.32
  6. Step 6: Final answer
    x = 62,528.93

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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.