Home / 74,417.94-102,697.91-40,427.10

Finding the Fourth Proportional to 74,417.94, 102,697.91 and 40,427.10

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Solution

The fourth proportional to 74,417.94, 102,697.91 and 40,427.10 is: 55,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.94 : 102,697.91 = 40,427.10 : x
  2. Step 2: Convert to fraction form
    74,417.94/102,697.91 = 40,427.10/x
  3. Step 3: Cross multiply
    74,417.94x = 102,697.91 × 40,427.10
  4. Step 4: Simplify right side
    74,417.94x = 4,151,778,677.36
  5. Step 5: Solve for x
    x = 4,151,778,677.36/74,417.94
  6. Step 6: Final answer
    x = 55,790.02

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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.