Home / 61,158.09-91,617.74-42,137.85

Finding the Fourth Proportional to 61,158.09, 91,617.74 and 42,137.85

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Solution

The fourth proportional to 61,158.09, 91,617.74 and 42,137.85 is: 63,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,158.09 : 91,617.74 = 42,137.85 : x
  2. Step 2: Convert to fraction form
    61,158.09/91,617.74 = 42,137.85/x
  3. Step 3: Cross multiply
    61,158.09x = 91,617.74 × 42,137.85
  4. Step 4: Simplify right side
    61,158.09x = 3,860,574,374.77
  5. Step 5: Solve for x
    x = 3,860,574,374.77/61,158.09
  6. Step 6: Final answer
    x = 63,124.51

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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.