Home / 91,804.28-137,595.66-47,406.82

Finding the Fourth Proportional to 91,804.28, 137,595.66 and 47,406.82

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Solution

The fourth proportional to 91,804.28, 137,595.66 and 47,406.82 is: 71,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,804.28 : 137,595.66 = 47,406.82 : x
  2. Step 2: Convert to fraction form
    91,804.28/137,595.66 = 47,406.82/x
  3. Step 3: Cross multiply
    91,804.28x = 137,595.66 × 47,406.82
  4. Step 4: Simplify right side
    91,804.28x = 6,522,972,686.40
  5. Step 5: Solve for x
    x = 6,522,972,686.40/91,804.28
  6. Step 6: Final answer
    x = 71,053.03

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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.