Home / 50,323.04-75,434.88-28,155.20

Finding the Fourth Proportional to 50,323.04, 75,434.88 and 28,155.20

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Solution

The fourth proportional to 50,323.04, 75,434.88 and 28,155.20 is: 42,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,323.04 : 75,434.88 = 28,155.20 : x
  2. Step 2: Convert to fraction form
    50,323.04/75,434.88 = 28,155.20/x
  3. Step 3: Cross multiply
    50,323.04x = 75,434.88 × 28,155.20
  4. Step 4: Simplify right side
    50,323.04x = 2,123,884,133.38
  5. Step 5: Solve for x
    x = 2,123,884,133.38/50,323.04
  6. Step 6: Final answer
    x = 42,205.00

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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.