Home / 74,325.90-102,569.22-40,333.52

Finding the Fourth Proportional to 74,325.90, 102,569.22 and 40,333.52

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Solution

The fourth proportional to 74,325.90, 102,569.22 and 40,333.52 is: 55,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325.90 : 102,569.22 = 40,333.52 : x
  2. Step 2: Convert to fraction form
    74,325.90/102,569.22 = 40,333.52/x
  3. Step 3: Cross multiply
    74,325.90x = 102,569.22 × 40,333.52
  4. Step 4: Simplify right side
    74,325.90x = 4,136,977,686.25
  5. Step 5: Solve for x
    x = 4,136,977,686.25/74,325.90
  6. Step 6: Final answer
    x = 55,659.97

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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.