Home / 48,933.40-73,205.70-42,431.80

Finding the Fourth Proportional to 48,933.40, 73,205.70 and 42,431.80

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Solution

The fourth proportional to 48,933.40, 73,205.70 and 42,431.80 is: 63,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,933.40 : 73,205.70 = 42,431.80 : x
  2. Step 2: Convert to fraction form
    48,933.40/73,205.70 = 42,431.80/x
  3. Step 3: Cross multiply
    48,933.40x = 73,205.70 × 42,431.80
  4. Step 4: Simplify right side
    48,933.40x = 3,106,249,621.26
  5. Step 5: Solve for x
    x = 3,106,249,621.26/48,933.40
  6. Step 6: Final answer
    x = 63,479.13

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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.