Home / 99,330.40-137,074.84-73,950.24

Finding the Fourth Proportional to 99,330.40, 137,074.84 and 73,950.24

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Solution

The fourth proportional to 99,330.40, 137,074.84 and 73,950.24 is: 102,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,330.40 : 137,074.84 = 73,950.24 : x
  2. Step 2: Convert to fraction form
    99,330.40/137,074.84 = 73,950.24/x
  3. Step 3: Cross multiply
    99,330.40x = 137,074.84 × 73,950.24
  4. Step 4: Simplify right side
    99,330.40x = 10,136,717,315.96
  5. Step 5: Solve for x
    x = 10,136,717,315.96/99,330.40
  6. Step 6: Final answer
    x = 102,050.50

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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.