Home / 67,980.12-93,812.49-37,768.25

Finding the Fourth Proportional to 67,980.12, 93,812.49 and 37,768.25

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Solution

The fourth proportional to 67,980.12, 93,812.49 and 37,768.25 is: 52,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.12 : 93,812.49 = 37,768.25 : x
  2. Step 2: Convert to fraction form
    67,980.12/93,812.49 = 37,768.25/x
  3. Step 3: Cross multiply
    67,980.12x = 93,812.49 × 37,768.25
  4. Step 4: Simplify right side
    67,980.12x = 3,543,133,106.38
  5. Step 5: Solve for x
    x = 3,543,133,106.38/67,980.12
  6. Step 6: Final answer
    x = 52,120.14

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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.