Home / 74,223.78-102,350.70-56,117.04

Finding the Fourth Proportional to 74,223.78, 102,350.70 and 56,117.04

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Solution

The fourth proportional to 74,223.78, 102,350.70 and 56,117.04 is: 77,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.78 : 102,350.70 = 56,117.04 : x
  2. Step 2: Convert to fraction form
    74,223.78/102,350.70 = 56,117.04/x
  3. Step 3: Cross multiply
    74,223.78x = 102,350.70 × 56,117.04
  4. Step 4: Simplify right side
    74,223.78x = 5,743,618,325.93
  5. Step 5: Solve for x
    x = 5,743,618,325.93/74,223.78
  6. Step 6: Final answer
    x = 77,382.46

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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.