Home / 67,918.14-93,708-42,450.39

Finding the Fourth Proportional to 67,918.14, 93,708 and 42,450.39

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Solution

The fourth proportional to 67,918.14, 93,708 and 42,450.39 is: 58,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.14 : 93,708 = 42,450.39 : x
  2. Step 2: Convert to fraction form
    67,918.14/93,708 = 42,450.39/x
  3. Step 3: Cross multiply
    67,918.14x = 93,708 × 42,450.39
  4. Step 4: Simplify right side
    67,918.14x = 3,977,941,146.12
  5. Step 5: Solve for x
    x = 3,977,941,146.12/67,918.14
  6. Step 6: Final answer
    x = 58,569.64

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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.