Home / 91,780.48-126,674.40-59,976.64

Finding the Fourth Proportional to 91,780.48, 126,674.40 and 59,976.64

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Solution

The fourth proportional to 91,780.48, 126,674.40 and 59,976.64 is: 82,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,780.48 : 126,674.40 = 59,976.64 : x
  2. Step 2: Convert to fraction form
    91,780.48/126,674.40 = 59,976.64/x
  3. Step 3: Cross multiply
    91,780.48x = 126,674.40 × 59,976.64
  4. Step 4: Simplify right side
    91,780.48x = 7,597,504,886.02
  5. Step 5: Solve for x
    x = 7,597,504,886.02/91,780.48
  6. Step 6: Final answer
    x = 82,779.09

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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.