Home / 98,994.46-136,613.37-53,672.53

Finding the Fourth Proportional to 98,994.46, 136,613.37 and 53,672.53

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Solution

The fourth proportional to 98,994.46, 136,613.37 and 53,672.53 is: 74,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994.46 : 136,613.37 = 53,672.53 : x
  2. Step 2: Convert to fraction form
    98,994.46/136,613.37 = 53,672.53/x
  3. Step 3: Cross multiply
    98,994.46x = 136,613.37 × 53,672.53
  4. Step 4: Simplify right side
    98,994.46x = 7,332,385,199.73
  5. Step 5: Solve for x
    x = 7,332,385,199.73/98,994.46
  6. Step 6: Final answer
    x = 74,068.64

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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.