Home / 75,509.32-113,017.52-55,513.51

Finding the Fourth Proportional to 75,509.32, 113,017.52 and 55,513.51

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Solution

The fourth proportional to 75,509.32, 113,017.52 and 55,513.51 is: 83,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,509.32 : 113,017.52 = 55,513.51 : x
  2. Step 2: Convert to fraction form
    75,509.32/113,017.52 = 55,513.51/x
  3. Step 3: Cross multiply
    75,509.32x = 113,017.52 × 55,513.51
  4. Step 4: Simplify right side
    75,509.32x = 6,273,999,226.70
  5. Step 5: Solve for x
    x = 6,273,999,226.70/75,509.32
  6. Step 6: Final answer
    x = 83,089.07

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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.