Home / 74,247.93-102,435.25-48,768.13

Finding the Fourth Proportional to 74,247.93, 102,435.25 and 48,768.13

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Solution

The fourth proportional to 74,247.93, 102,435.25 and 48,768.13 is: 67,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.93 : 102,435.25 = 48,768.13 : x
  2. Step 2: Convert to fraction form
    74,247.93/102,435.25 = 48,768.13/x
  3. Step 3: Cross multiply
    74,247.93x = 102,435.25 × 48,768.13
  4. Step 4: Simplify right side
    74,247.93x = 4,995,574,904.21
  5. Step 5: Solve for x
    x = 4,995,574,904.21/74,247.93
  6. Step 6: Final answer
    x = 67,282.35

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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.