Home / 65,546.32-90,464.76-38,695.36

Finding the Fourth Proportional to 65,546.32, 90,464.76 and 38,695.36

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Solution

The fourth proportional to 65,546.32, 90,464.76 and 38,695.36 is: 53,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,546.32 : 90,464.76 = 38,695.36 : x
  2. Step 2: Convert to fraction form
    65,546.32/90,464.76 = 38,695.36/x
  3. Step 3: Cross multiply
    65,546.32x = 90,464.76 × 38,695.36
  4. Step 4: Simplify right side
    65,546.32x = 3,500,566,455.51
  5. Step 5: Solve for x
    x = 3,500,566,455.51/65,546.32
  6. Step 6: Final answer
    x = 53,406.00

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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.