Home / 91,537.84-137,536.80-58,272.76

Finding the Fourth Proportional to 91,537.84, 137,536.80 and 58,272.76

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Solution

The fourth proportional to 91,537.84, 137,536.80 and 58,272.76 is: 87,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537.84 : 137,536.80 = 58,272.76 : x
  2. Step 2: Convert to fraction form
    91,537.84/137,536.80 = 58,272.76/x
  3. Step 3: Cross multiply
    91,537.84x = 137,536.80 × 58,272.76
  4. Step 4: Simplify right side
    91,537.84x = 8,014,648,937.57
  5. Step 5: Solve for x
    x = 8,014,648,937.57/91,537.84
  6. Step 6: Final answer
    x = 87,555.58

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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.