Home / 91,048.38-136,586.64-31,062.81

Finding the Fourth Proportional to 91,048.38, 136,586.64 and 31,062.81

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Solution

The fourth proportional to 91,048.38, 136,586.64 and 31,062.81 is: 46,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.38 : 136,586.64 = 31,062.81 : x
  2. Step 2: Convert to fraction form
    91,048.38/136,586.64 = 31,062.81/x
  3. Step 3: Cross multiply
    91,048.38x = 136,586.64 × 31,062.81
  4. Step 4: Simplify right side
    91,048.38x = 4,242,764,148.37
  5. Step 5: Solve for x
    x = 4,242,764,148.37/91,048.38
  6. Step 6: Final answer
    x = 46,599.01

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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.