Home / 74,130.58-102,296.28-42,302.44

Finding the Fourth Proportional to 74,130.58, 102,296.28 and 42,302.44

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Solution

The fourth proportional to 74,130.58, 102,296.28 and 42,302.44 is: 58,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.58 : 102,296.28 = 42,302.44 : x
  2. Step 2: Convert to fraction form
    74,130.58/102,296.28 = 42,302.44/x
  3. Step 3: Cross multiply
    74,130.58x = 102,296.28 × 42,302.44
  4. Step 4: Simplify right side
    74,130.58x = 4,327,382,246.92
  5. Step 5: Solve for x
    x = 4,327,382,246.92/74,130.58
  6. Step 6: Final answer
    x = 58,375.13

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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.