Home / 99,168.93-136,853.28-53,846.25

Finding the Fourth Proportional to 99,168.93, 136,853.28 and 53,846.25

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Solution

The fourth proportional to 99,168.93, 136,853.28 and 53,846.25 is: 74,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168.93 : 136,853.28 = 53,846.25 : x
  2. Step 2: Convert to fraction form
    99,168.93/136,853.28 = 53,846.25/x
  3. Step 3: Cross multiply
    99,168.93x = 136,853.28 × 53,846.25
  4. Step 4: Simplify right side
    99,168.93x = 7,369,035,928.20
  5. Step 5: Solve for x
    x = 7,369,035,928.20/99,168.93
  6. Step 6: Final answer
    x = 74,307.91

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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.