Home / 64,868.45-89,518.47-36,574.13

Finding the Fourth Proportional to 64,868.45, 89,518.47 and 36,574.13

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Solution

The fourth proportional to 64,868.45, 89,518.47 and 36,574.13 is: 50,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,868.45 : 89,518.47 = 36,574.13 : x
  2. Step 2: Convert to fraction form
    64,868.45/89,518.47 = 36,574.13/x
  3. Step 3: Cross multiply
    64,868.45x = 89,518.47 × 36,574.13
  4. Step 4: Simplify right side
    64,868.45x = 3,274,060,245.82
  5. Step 5: Solve for x
    x = 3,274,060,245.82/64,868.45
  6. Step 6: Final answer
    x = 50,472.31

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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.