Home / 91,527.18-137,238.18-48,779.98

Finding the Fourth Proportional to 91,527.18, 137,238.18 and 48,779.98

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Solution

The fourth proportional to 91,527.18, 137,238.18 and 48,779.98 is: 73,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,527.18 : 137,238.18 = 48,779.98 : x
  2. Step 2: Convert to fraction form
    91,527.18/137,238.18 = 48,779.98/x
  3. Step 3: Cross multiply
    91,527.18x = 137,238.18 × 48,779.98
  4. Step 4: Simplify right side
    91,527.18x = 6,694,475,675.64
  5. Step 5: Solve for x
    x = 6,694,475,675.64/91,527.18
  6. Step 6: Final answer
    x = 73,141.94

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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.