Home / 61,900.15-92,870.16-28,178.24

Finding the Fourth Proportional to 61,900.15, 92,870.16 and 28,178.24

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Solution

The fourth proportional to 61,900.15, 92,870.16 and 28,178.24 is: 42,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,900.15 : 92,870.16 = 28,178.24 : x
  2. Step 2: Convert to fraction form
    61,900.15/92,870.16 = 28,178.24/x
  3. Step 3: Cross multiply
    61,900.15x = 92,870.16 × 28,178.24
  4. Step 4: Simplify right side
    61,900.15x = 2,616,917,192.22
  5. Step 5: Solve for x
    x = 2,616,917,192.22/61,900.15
  6. Step 6: Final answer
    x = 42,276.43

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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.