Home / 91,823.84-137,809.56-47,463.58

Finding the Fourth Proportional to 91,823.84, 137,809.56 and 47,463.58

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Solution

The fourth proportional to 91,823.84, 137,809.56 and 47,463.58 is: 71,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.84 : 137,809.56 = 47,463.58 : x
  2. Step 2: Convert to fraction form
    91,823.84/137,809.56 = 47,463.58/x
  3. Step 3: Cross multiply
    91,823.84x = 137,809.56 × 47,463.58
  4. Step 4: Simplify right side
    91,823.84x = 6,540,935,075.82
  5. Step 5: Solve for x
    x = 6,540,935,075.82/91,823.84
  6. Step 6: Final answer
    x = 71,233.52

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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.