Home / 63,647.30-87,646.64-58,325.06

Finding the Fourth Proportional to 63,647.30, 87,646.64 and 58,325.06

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Solution

The fourth proportional to 63,647.30, 87,646.64 and 58,325.06 is: 80,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,647.30 : 87,646.64 = 58,325.06 : x
  2. Step 2: Convert to fraction form
    63,647.30/87,646.64 = 58,325.06/x
  3. Step 3: Cross multiply
    63,647.30x = 87,646.64 × 58,325.06
  4. Step 4: Simplify right side
    63,647.30x = 5,111,995,536.80
  5. Step 5: Solve for x
    x = 5,111,995,536.80/63,647.30
  6. Step 6: Final answer
    x = 80,317.56

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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.