Home / 70,816.19-97,726.32-38,984.87

Finding the Fourth Proportional to 70,816.19, 97,726.32 and 38,984.87

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Solution

The fourth proportional to 70,816.19, 97,726.32 and 38,984.87 is: 53,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.19 : 97,726.32 = 38,984.87 : x
  2. Step 2: Convert to fraction form
    70,816.19/97,726.32 = 38,984.87/x
  3. Step 3: Cross multiply
    70,816.19x = 97,726.32 × 38,984.87
  4. Step 4: Simplify right side
    70,816.19x = 3,809,847,880.78
  5. Step 5: Solve for x
    x = 3,809,847,880.78/70,816.19
  6. Step 6: Final answer
    x = 53,799.11

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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.