Home / 91,779.48-126,673.02-59,975.64

Finding the Fourth Proportional to 91,779.48, 126,673.02 and 59,975.64

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Solution

The fourth proportional to 91,779.48, 126,673.02 and 59,975.64 is: 82,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.48 : 126,673.02 = 59,975.64 : x
  2. Step 2: Convert to fraction form
    91,779.48/126,673.02 = 59,975.64/x
  3. Step 3: Cross multiply
    91,779.48x = 126,673.02 × 59,975.64
  4. Step 4: Simplify right side
    91,779.48x = 7,597,295,445.23
  5. Step 5: Solve for x
    x = 7,597,295,445.23/91,779.48
  6. Step 6: Final answer
    x = 82,777.71

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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.