Home / 67,810.25-93,578.51-39,131.11

Finding the Fourth Proportional to 67,810.25, 93,578.51 and 39,131.11

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Solution

The fourth proportional to 67,810.25, 93,578.51 and 39,131.11 is: 54,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,810.25 : 93,578.51 = 39,131.11 : x
  2. Step 2: Convert to fraction form
    67,810.25/93,578.51 = 39,131.11/x
  3. Step 3: Cross multiply
    67,810.25x = 93,578.51 × 39,131.11
  4. Step 4: Simplify right side
    67,810.25x = 3,661,830,538.84
  5. Step 5: Solve for x
    x = 3,661,830,538.84/67,810.25
  6. Step 6: Final answer
    x = 54,001.13

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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.