Home / 64,901.18-89,604.17-49,764.76

Finding the Fourth Proportional to 64,901.18, 89,604.17 and 49,764.76

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Solution

The fourth proportional to 64,901.18, 89,604.17 and 49,764.76 is: 68,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.18 : 89,604.17 = 49,764.76 : x
  2. Step 2: Convert to fraction form
    64,901.18/89,604.17 = 49,764.76/x
  3. Step 3: Cross multiply
    64,901.18x = 89,604.17 × 49,764.76
  4. Step 4: Simplify right side
    64,901.18x = 4,459,130,015.05
  5. Step 5: Solve for x
    x = 4,459,130,015.05/64,901.18
  6. Step 6: Final answer
    x = 68,706.46

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1.5x scale

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.