Home / 63,530.90-87,666.78-35,231.12

Finding the Fourth Proportional to 63,530.90, 87,666.78 and 35,231.12

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Solution

The fourth proportional to 63,530.90, 87,666.78 and 35,231.12 is: 48,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,530.90 : 87,666.78 = 35,231.12 : x
  2. Step 2: Convert to fraction form
    63,530.90/87,666.78 = 35,231.12/x
  3. Step 3: Cross multiply
    63,530.90x = 87,666.78 × 35,231.12
  4. Step 4: Simplify right side
    63,530.90x = 3,088,598,846.19
  5. Step 5: Solve for x
    x = 3,088,598,846.19/63,530.90
  6. Step 6: Final answer
    x = 48,615.69

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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.