Home / 90,024.03-135,074.93-50,521.95

Finding the Fourth Proportional to 90,024.03, 135,074.93 and 50,521.95

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Solution

The fourth proportional to 90,024.03, 135,074.93 and 50,521.95 is: 75,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.03 : 135,074.93 = 50,521.95 : x
  2. Step 2: Convert to fraction form
    90,024.03/135,074.93 = 50,521.95/x
  3. Step 3: Cross multiply
    90,024.03x = 135,074.93 × 50,521.95
  4. Step 4: Simplify right side
    90,024.03x = 6,824,248,607.10
  5. Step 5: Solve for x
    x = 6,824,248,607.10/90,024.03
  6. Step 6: Final answer
    x = 75,804.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.