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Finding the Fourth Proportional to 66,537.98, 91,852.35 and 43,890.38

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Solution

The fourth proportional to 66,537.98, 91,852.35 and 43,890.38 is: 60,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.98 : 91,852.35 = 43,890.38 : x
  2. Step 2: Convert to fraction form
    66,537.98/91,852.35 = 43,890.38/x
  3. Step 3: Cross multiply
    66,537.98x = 91,852.35 × 43,890.38
  4. Step 4: Simplify right side
    66,537.98x = 4,031,434,545.39
  5. Step 5: Solve for x
    x = 4,031,434,545.39/66,537.98
  6. Step 6: Final answer
    x = 60,588.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.