Home / 81,316.77-122,045.22-56,374.34

Finding the Fourth Proportional to 81,316.77, 122,045.22 and 56,374.34

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Solution

The fourth proportional to 81,316.77, 122,045.22 and 56,374.34 is: 84,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,316.77 : 122,045.22 = 56,374.34 : x
  2. Step 2: Convert to fraction form
    81,316.77/122,045.22 = 56,374.34/x
  3. Step 3: Cross multiply
    81,316.77x = 122,045.22 × 56,374.34
  4. Step 4: Simplify right side
    81,316.77x = 6,880,218,727.65
  5. Step 5: Solve for x
    x = 6,880,218,727.65/81,316.77
  6. Step 6: Final answer
    x = 84,610.08

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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.