Home / 79,345.41-109,397.03-58,087.77

Finding the Fourth Proportional to 79,345.41, 109,397.03 and 58,087.77

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Solution

The fourth proportional to 79,345.41, 109,397.03 and 58,087.77 is: 80,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.41 : 109,397.03 = 58,087.77 : x
  2. Step 2: Convert to fraction form
    79,345.41/109,397.03 = 58,087.77/x
  3. Step 3: Cross multiply
    79,345.41x = 109,397.03 × 58,087.77
  4. Step 4: Simplify right side
    79,345.41x = 6,354,628,970.34
  5. Step 5: Solve for x
    x = 6,354,628,970.34/79,345.41
  6. Step 6: Final answer
    x = 80,088.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.