Home / 79,095.39-109,154.38-43,285.40

Finding the Fourth Proportional to 79,095.39, 109,154.38 and 43,285.40

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Solution

The fourth proportional to 79,095.39, 109,154.38 and 43,285.40 is: 59,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,095.39 : 109,154.38 = 43,285.40 : x
  2. Step 2: Convert to fraction form
    79,095.39/109,154.38 = 43,285.40/x
  3. Step 3: Cross multiply
    79,095.39x = 109,154.38 × 43,285.40
  4. Step 4: Simplify right side
    79,095.39x = 4,724,791,000.05
  5. Step 5: Solve for x
    x = 4,724,791,000.05/79,095.39
  6. Step 6: Final answer
    x = 59,735.35

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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.