Home / 75,304.49-112,918.15-39,784.87

Finding the Fourth Proportional to 75,304.49, 112,918.15 and 39,784.87

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Solution

The fourth proportional to 75,304.49, 112,918.15 and 39,784.87 is: 59,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,304.49 : 112,918.15 = 39,784.87 : x
  2. Step 2: Convert to fraction form
    75,304.49/112,918.15 = 39,784.87/x
  3. Step 3: Cross multiply
    75,304.49x = 112,918.15 × 39,784.87
  4. Step 4: Simplify right side
    75,304.49x = 4,492,434,109.27
  5. Step 5: Solve for x
    x = 4,492,434,109.27/75,304.49
  6. Step 6: Final answer
    x = 59,656.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.