Home / 88,779.59-122,519.43-51,053.84

Finding the Fourth Proportional to 88,779.59, 122,519.43 and 51,053.84

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Solution

The fourth proportional to 88,779.59, 122,519.43 and 51,053.84 is: 70,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,779.59 : 122,519.43 = 51,053.84 : x
  2. Step 2: Convert to fraction form
    88,779.59/122,519.43 = 51,053.84/x
  3. Step 3: Cross multiply
    88,779.59x = 122,519.43 × 51,053.84
  4. Step 4: Simplify right side
    88,779.59x = 6,255,086,763.51
  5. Step 5: Solve for x
    x = 6,255,086,763.51/88,779.59
  6. Step 6: Final answer
    x = 70,456.36

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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.