Home / 64,509.23-89,019.71-35,830.75

Finding the Fourth Proportional to 64,509.23, 89,019.71 and 35,830.75

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Solution

The fourth proportional to 64,509.23, 89,019.71 and 35,830.75 is: 49,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,509.23 : 89,019.71 = 35,830.75 : x
  2. Step 2: Convert to fraction form
    64,509.23/89,019.71 = 35,830.75/x
  3. Step 3: Cross multiply
    64,509.23x = 89,019.71 × 35,830.75
  4. Step 4: Simplify right side
    64,509.23x = 3,189,643,286.21
  5. Step 5: Solve for x
    x = 3,189,643,286.21/64,509.23
  6. Step 6: Final answer
    x = 49,444.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.