Home / 107,779.04-161,568.56-55,072.32

Finding the Fourth Proportional to 107,779.04, 161,568.56 and 55,072.32

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Solution

The fourth proportional to 107,779.04, 161,568.56 and 55,072.32 is: 82,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779.04 : 161,568.56 = 55,072.32 : x
  2. Step 2: Convert to fraction form
    107,779.04/161,568.56 = 55,072.32/x
  3. Step 3: Cross multiply
    107,779.04x = 161,568.56 × 55,072.32
  4. Step 4: Simplify right side
    107,779.04x = 8,897,955,438.26
  5. Step 5: Solve for x
    x = 8,897,955,438.26/107,779.04
  6. Step 6: Final answer
    x = 82,557.38

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1.5x scale

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.