Home / 92,828.49-128,103.42-50,387.01

Finding the Fourth Proportional to 92,828.49, 128,103.42 and 50,387.01

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Solution

The fourth proportional to 92,828.49, 128,103.42 and 50,387.01 is: 69,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828.49 : 128,103.42 = 50,387.01 : x
  2. Step 2: Convert to fraction form
    92,828.49/128,103.42 = 50,387.01/x
  3. Step 3: Cross multiply
    92,828.49x = 128,103.42 × 50,387.01
  4. Step 4: Simplify right side
    92,828.49x = 6,454,748,304.57
  5. Step 5: Solve for x
    x = 6,454,748,304.57/92,828.49
  6. Step 6: Final answer
    x = 69,534.13

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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.