Home / 50,478.36-75,728.58-15,417.12

Finding the Fourth Proportional to 50,478.36, 75,728.58 and 15,417.12

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Solution

The fourth proportional to 50,478.36, 75,728.58 and 15,417.12 is: 23,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,478.36 : 75,728.58 = 15,417.12 : x
  2. Step 2: Convert to fraction form
    50,478.36/75,728.58 = 15,417.12/x
  3. Step 3: Cross multiply
    50,478.36x = 75,728.58 × 15,417.12
  4. Step 4: Simplify right side
    50,478.36x = 1,167,516,605.29
  5. Step 5: Solve for x
    x = 1,167,516,605.29/50,478.36
  6. Step 6: Final answer
    x = 23,129.05

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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.