Home / 61,639.20-92,329.20-51,271.20

Finding the Fourth Proportional to 61,639.20, 92,329.20 and 51,271.20

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Solution

The fourth proportional to 61,639.20, 92,329.20 and 51,271.20 is: 76,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.20 : 92,329.20 = 51,271.20 : x
  2. Step 2: Convert to fraction form
    61,639.20/92,329.20 = 51,271.20/x
  3. Step 3: Cross multiply
    61,639.20x = 92,329.20 × 51,271.20
  4. Step 4: Simplify right side
    61,639.20x = 4,733,828,879.04
  5. Step 5: Solve for x
    x = 4,733,828,879.04/61,639.20
  6. Step 6: Final answer
    x = 76,799.00

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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.