Home / 82,435.08-113,764.80-52,209.33

Finding the Fourth Proportional to 82,435.08, 113,764.80 and 52,209.33

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Solution

The fourth proportional to 82,435.08, 113,764.80 and 52,209.33 is: 72,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,435.08 : 113,764.80 = 52,209.33 : x
  2. Step 2: Convert to fraction form
    82,435.08/113,764.80 = 52,209.33/x
  3. Step 3: Cross multiply
    82,435.08x = 113,764.80 × 52,209.33
  4. Step 4: Simplify right side
    82,435.08x = 5,939,583,985.58
  5. Step 5: Solve for x
    x = 5,939,583,985.58/82,435.08
  6. Step 6: Final answer
    x = 72,051.66

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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.