Home / 55,779.70-83,426.55-49,899.10

Finding the Fourth Proportional to 55,779.70, 83,426.55 and 49,899.10

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Solution

The fourth proportional to 55,779.70, 83,426.55 and 49,899.10 is: 74,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.70 : 83,426.55 = 49,899.10 : x
  2. Step 2: Convert to fraction form
    55,779.70/83,426.55 = 49,899.10/x
  3. Step 3: Cross multiply
    55,779.70x = 83,426.55 × 49,899.10
  4. Step 4: Simplify right side
    55,779.70x = 4,162,909,761.11
  5. Step 5: Solve for x
    x = 4,162,909,761.11/55,779.70
  6. Step 6: Final answer
    x = 74,631.27

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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.