Home / 75,258.40-113,017.20-53,226.40

Finding the Fourth Proportional to 75,258.40, 113,017.20 and 53,226.40

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Solution

The fourth proportional to 75,258.40, 113,017.20 and 53,226.40 is: 79,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,258.40 : 113,017.20 = 53,226.40 : x
  2. Step 2: Convert to fraction form
    75,258.40/113,017.20 = 53,226.40/x
  3. Step 3: Cross multiply
    75,258.40x = 113,017.20 × 53,226.40
  4. Step 4: Simplify right side
    75,258.40x = 6,015,498,694.08
  5. Step 5: Solve for x
    x = 6,015,498,694.08/75,258.40
  6. Step 6: Final answer
    x = 79,931.26

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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.