Home / 54,140.25-74,733.81-40,750.14

Finding the Fourth Proportional to 54,140.25, 74,733.81 and 40,750.14

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Solution

The fourth proportional to 54,140.25, 74,733.81 and 40,750.14 is: 56,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.25 : 74,733.81 = 40,750.14 : x
  2. Step 2: Convert to fraction form
    54,140.25/74,733.81 = 40,750.14/x
  3. Step 3: Cross multiply
    54,140.25x = 74,733.81 × 40,750.14
  4. Step 4: Simplify right side
    54,140.25x = 3,045,413,220.23
  5. Step 5: Solve for x
    x = 3,045,413,220.23/54,140.25
  6. Step 6: Final answer
    x = 56,250.45

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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.