Home / 74,173.44-102,360.06-42,342.24

Finding the Fourth Proportional to 74,173.44, 102,360.06 and 42,342.24

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Solution

The fourth proportional to 74,173.44, 102,360.06 and 42,342.24 is: 58,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,173.44 : 102,360.06 = 42,342.24 : x
  2. Step 2: Convert to fraction form
    74,173.44/102,360.06 = 42,342.24/x
  3. Step 3: Cross multiply
    74,173.44x = 102,360.06 × 42,342.24
  4. Step 4: Simplify right side
    74,173.44x = 4,334,154,226.93
  5. Step 5: Solve for x
    x = 4,334,154,226.93/74,173.44
  6. Step 6: Final answer
    x = 58,432.70

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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.