Home / 99,835.80-149,678.78-60,384.84

Finding the Fourth Proportional to 99,835.80, 149,678.78 and 60,384.84

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Solution

The fourth proportional to 99,835.80, 149,678.78 and 60,384.84 is: 90,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,835.80 : 149,678.78 = 60,384.84 : x
  2. Step 2: Convert to fraction form
    99,835.80/149,678.78 = 60,384.84/x
  3. Step 3: Cross multiply
    99,835.80x = 149,678.78 × 60,384.84
  4. Step 4: Simplify right side
    99,835.80x = 9,038,329,181.70
  5. Step 5: Solve for x
    x = 9,038,329,181.70/99,835.80
  6. Step 6: Final answer
    x = 90,531.95

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1.5x scale

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.