Home / 99,315.27-149,038.50-46,728.85

Finding the Fourth Proportional to 99,315.27, 149,038.50 and 46,728.85

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Solution

The fourth proportional to 99,315.27, 149,038.50 and 46,728.85 is: 70,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,315.27 : 149,038.50 = 46,728.85 : x
  2. Step 2: Convert to fraction form
    99,315.27/149,038.50 = 46,728.85/x
  3. Step 3: Cross multiply
    99,315.27x = 149,038.50 × 46,728.85
  4. Step 4: Simplify right side
    99,315.27x = 6,964,397,710.73
  5. Step 5: Solve for x
    x = 6,964,397,710.73/99,315.27
  6. Step 6: Final answer
    x = 70,124.14

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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.