Home / 91,779.10-137,653.53-29,441.50

Finding the Fourth Proportional to 91,779.10, 137,653.53 and 29,441.50

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Solution

The fourth proportional to 91,779.10, 137,653.53 and 29,441.50 is: 44,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.10 : 137,653.53 = 29,441.50 : x
  2. Step 2: Convert to fraction form
    91,779.10/137,653.53 = 29,441.50/x
  3. Step 3: Cross multiply
    91,779.10x = 137,653.53 × 29,441.50
  4. Step 4: Simplify right side
    91,779.10x = 4,052,726,403.50
  5. Step 5: Solve for x
    x = 4,052,726,403.50/91,779.10
  6. Step 6: Final answer
    x = 44,157.40

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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.