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Finding the Fourth Proportional to 79,802.22, 119,702.61 and 30,554.22

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Solution

The fourth proportional to 79,802.22, 119,702.61 and 30,554.22 is: 45,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,802.22 : 119,702.61 = 30,554.22 : x
  2. Step 2: Convert to fraction form
    79,802.22/119,702.61 = 30,554.22/x
  3. Step 3: Cross multiply
    79,802.22x = 119,702.61 × 30,554.22
  4. Step 4: Simplify right side
    79,802.22x = 3,657,419,880.51
  5. Step 5: Solve for x
    x = 3,657,419,880.51/79,802.22
  6. Step 6: Final answer
    x = 45,831.05

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1.5x scale

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.