Home / 74,260.35-102,426.66-45,581.49

Finding the Fourth Proportional to 74,260.35, 102,426.66 and 45,581.49

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Solution

The fourth proportional to 74,260.35, 102,426.66 and 45,581.49 is: 62,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.35 : 102,426.66 = 45,581.49 : x
  2. Step 2: Convert to fraction form
    74,260.35/102,426.66 = 45,581.49/x
  3. Step 3: Cross multiply
    74,260.35x = 102,426.66 × 45,581.49
  4. Step 4: Simplify right side
    74,260.35x = 4,668,759,778.52
  5. Step 5: Solve for x
    x = 4,668,759,778.52/74,260.35
  6. Step 6: Final answer
    x = 62,870.16

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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.