Home / 67,460.80-93,097.20-39,156.16

Finding the Fourth Proportional to 67,460.80, 93,097.20 and 39,156.16

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Solution

The fourth proportional to 67,460.80, 93,097.20 and 39,156.16 is: 54,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,460.80 : 93,097.20 = 39,156.16 : x
  2. Step 2: Convert to fraction form
    67,460.80/93,097.20 = 39,156.16/x
  3. Step 3: Cross multiply
    67,460.80x = 93,097.20 × 39,156.16
  4. Step 4: Simplify right side
    67,460.80x = 3,645,328,858.75
  5. Step 5: Solve for x
    x = 3,645,328,858.75/67,460.80
  6. Step 6: Final answer
    x = 54,036.25

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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.