Home / 63,421.64-87,514.80-35,120.24

Finding the Fourth Proportional to 63,421.64, 87,514.80 and 35,120.24

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Solution

The fourth proportional to 63,421.64, 87,514.80 and 35,120.24 is: 48,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.64 : 87,514.80 = 35,120.24 : x
  2. Step 2: Convert to fraction form
    63,421.64/87,514.80 = 35,120.24/x
  3. Step 3: Cross multiply
    63,421.64x = 87,514.80 × 35,120.24
  4. Step 4: Simplify right side
    63,421.64x = 3,073,540,779.55
  5. Step 5: Solve for x
    x = 3,073,540,779.55/63,421.64
  6. Step 6: Final answer
    x = 48,462.02

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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.