Home / 63,509.32-87,643.38-35,215.48

Finding the Fourth Proportional to 63,509.32, 87,643.38 and 35,215.48

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Solution

The fourth proportional to 63,509.32, 87,643.38 and 35,215.48 is: 48,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.32 : 87,643.38 = 35,215.48 : x
  2. Step 2: Convert to fraction form
    63,509.32/87,643.38 = 35,215.48/x
  3. Step 3: Cross multiply
    63,509.32x = 87,643.38 × 35,215.48
  4. Step 4: Simplify right side
    63,509.32x = 3,086,403,695.52
  5. Step 5: Solve for x
    x = 3,086,403,695.52/63,509.32
  6. Step 6: Final answer
    x = 48,597.65

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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.