Home / 54,084.39-74,587.98-45,039.70

Finding the Fourth Proportional to 54,084.39, 74,587.98 and 45,039.70

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Solution

The fourth proportional to 54,084.39, 74,587.98 and 45,039.70 is: 62,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.39 : 74,587.98 = 45,039.70 : x
  2. Step 2: Convert to fraction form
    54,084.39/74,587.98 = 45,039.70/x
  3. Step 3: Cross multiply
    54,084.39x = 74,587.98 × 45,039.70
  4. Step 4: Simplify right side
    54,084.39x = 3,359,420,242.81
  5. Step 5: Solve for x
    x = 3,359,420,242.81/54,084.39
  6. Step 6: Final answer
    x = 62,114.41

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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.