Home / 91,055.92-136,596.34-31,068.31

Finding the Fourth Proportional to 91,055.92, 136,596.34 and 31,068.31

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Solution

The fourth proportional to 91,055.92, 136,596.34 and 31,068.31 is: 46,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.92 : 136,596.34 = 31,068.31 : x
  2. Step 2: Convert to fraction form
    91,055.92/136,596.34 = 31,068.31/x
  3. Step 3: Cross multiply
    91,055.92x = 136,596.34 × 31,068.31
  4. Step 4: Simplify right side
    91,055.92x = 4,243,817,435.99
  5. Step 5: Solve for x
    x = 4,243,817,435.99/91,055.92
  6. Step 6: Final answer
    x = 46,606.72

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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.