Home / 79,938.45-110,312.15-44,128.35

Finding the Fourth Proportional to 79,938.45, 110,312.15 and 44,128.35

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Solution

The fourth proportional to 79,938.45, 110,312.15 and 44,128.35 is: 60,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,938.45 : 110,312.15 = 44,128.35 : x
  2. Step 2: Convert to fraction form
    79,938.45/110,312.15 = 44,128.35/x
  3. Step 3: Cross multiply
    79,938.45x = 110,312.15 × 44,128.35
  4. Step 4: Simplify right side
    79,938.45x = 4,867,892,943.81
  5. Step 5: Solve for x
    x = 4,867,892,943.81/79,938.45
  6. Step 6: Final answer
    x = 60,895.51

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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.