Home / 78,071.35-107,732.18-44,088.10

Finding the Fourth Proportional to 78,071.35, 107,732.18 and 44,088.10

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Solution

The fourth proportional to 78,071.35, 107,732.18 and 44,088.10 is: 60,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,071.35 : 107,732.18 = 44,088.10 : x
  2. Step 2: Convert to fraction form
    78,071.35/107,732.18 = 44,088.10/x
  3. Step 3: Cross multiply
    78,071.35x = 107,732.18 × 44,088.10
  4. Step 4: Simplify right side
    78,071.35x = 4,749,707,125.06
  5. Step 5: Solve for x
    x = 4,749,707,125.06/78,071.35
  6. Step 6: Final answer
    x = 60,838.03

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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.