Home / 74,194.85-102,424.35-42,357.59

Finding the Fourth Proportional to 74,194.85, 102,424.35 and 42,357.59

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Solution

The fourth proportional to 74,194.85, 102,424.35 and 42,357.59 is: 58,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.85 : 102,424.35 = 42,357.59 : x
  2. Step 2: Convert to fraction form
    74,194.85/102,424.35 = 42,357.59/x
  3. Step 3: Cross multiply
    74,194.85x = 102,424.35 × 42,357.59
  4. Step 4: Simplify right side
    74,194.85x = 4,338,448,623.32
  5. Step 5: Solve for x
    x = 4,338,448,623.32/74,194.85
  6. Step 6: Final answer
    x = 58,473.72

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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.