Home / 74,980.89-103,432.68-48,093.48

Finding the Fourth Proportional to 74,980.89, 103,432.68 and 48,093.48

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Solution

The fourth proportional to 74,980.89, 103,432.68 and 48,093.48 is: 66,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,980.89 : 103,432.68 = 48,093.48 : x
  2. Step 2: Convert to fraction form
    74,980.89/103,432.68 = 48,093.48/x
  3. Step 3: Cross multiply
    74,980.89x = 103,432.68 × 48,093.48
  4. Step 4: Simplify right side
    74,980.89x = 4,974,437,526.93
  5. Step 5: Solve for x
    x = 4,974,437,526.93/74,980.89
  6. Step 6: Final answer
    x = 66,342.74

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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.