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Finding the Fourth Proportional to 61,807.11, 92,710.62 and 58,651.67

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Solution

The fourth proportional to 61,807.11, 92,710.62 and 58,651.67 is: 87,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.11 : 92,710.62 = 58,651.67 : x
  2. Step 2: Convert to fraction form
    61,807.11/92,710.62 = 58,651.67/x
  3. Step 3: Cross multiply
    61,807.11x = 92,710.62 × 58,651.67
  4. Step 4: Simplify right side
    61,807.11x = 5,437,632,689.74
  5. Step 5: Solve for x
    x = 5,437,632,689.74/61,807.11
  6. Step 6: Final answer
    x = 87,977.46

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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.