Home / 78,035.10-107,688.81-44,045.03

Finding the Fourth Proportional to 78,035.10, 107,688.81 and 44,045.03

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Solution

The fourth proportional to 78,035.10, 107,688.81 and 44,045.03 is: 60,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,035.10 : 107,688.81 = 44,045.03 : x
  2. Step 2: Convert to fraction form
    78,035.10/107,688.81 = 44,045.03/x
  3. Step 3: Cross multiply
    78,035.10x = 107,688.81 × 44,045.03
  4. Step 4: Simplify right side
    78,035.10x = 4,743,156,328.67
  5. Step 5: Solve for x
    x = 4,743,156,328.67/78,035.10
  6. Step 6: Final answer
    x = 60,782.34

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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.