Home / 91,779.48-137,646.54-25,216.38

Finding the Fourth Proportional to 91,779.48, 137,646.54 and 25,216.38

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Solution

The fourth proportional to 91,779.48, 137,646.54 and 25,216.38 is: 37,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.48 : 137,646.54 = 25,216.38 : x
  2. Step 2: Convert to fraction form
    91,779.48/137,646.54 = 25,216.38/x
  3. Step 3: Cross multiply
    91,779.48x = 137,646.54 × 25,216.38
  4. Step 4: Simplify right side
    91,779.48x = 3,470,947,458.33
  5. Step 5: Solve for x
    x = 3,470,947,458.33/91,779.48
  6. Step 6: Final answer
    x = 37,818.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.