Home / 91,277.56-136,967.86-49,156.74

Finding the Fourth Proportional to 91,277.56, 136,967.86 and 49,156.74

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Solution

The fourth proportional to 91,277.56, 136,967.86 and 49,156.74 is: 73,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.56 : 136,967.86 = 49,156.74 : x
  2. Step 2: Convert to fraction form
    91,277.56/136,967.86 = 49,156.74/x
  3. Step 3: Cross multiply
    91,277.56x = 136,967.86 × 49,156.74
  4. Step 4: Simplify right side
    91,277.56x = 6,732,893,482.38
  5. Step 5: Solve for x
    x = 6,732,893,482.38/91,277.56
  6. Step 6: Final answer
    x = 73,762.86

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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.