Home / 98,994.21-136,613.03-53,672.28

Finding the Fourth Proportional to 98,994.21, 136,613.03 and 53,672.28

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Solution

The fourth proportional to 98,994.21, 136,613.03 and 53,672.28 is: 74,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994.21 : 136,613.03 = 53,672.28 : x
  2. Step 2: Convert to fraction form
    98,994.21/136,613.03 = 53,672.28/x
  3. Step 3: Cross multiply
    98,994.21x = 136,613.03 × 53,672.28
  4. Step 4: Simplify right side
    98,994.21x = 7,332,332,529.45
  5. Step 5: Solve for x
    x = 7,332,332,529.45/98,994.21
  6. Step 6: Final answer
    x = 74,068.30

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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.