Home / 95,434.40-142,964.36-77,684.16

Finding the Fourth Proportional to 95,434.40, 142,964.36 and 77,684.16

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Solution

The fourth proportional to 95,434.40, 142,964.36 and 77,684.16 is: 116,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,434.40 : 142,964.36 = 77,684.16 : x
  2. Step 2: Convert to fraction form
    95,434.40/142,964.36 = 77,684.16/x
  3. Step 3: Cross multiply
    95,434.40x = 142,964.36 × 77,684.16
  4. Step 4: Simplify right side
    95,434.40x = 11,106,066,655.55
  5. Step 5: Solve for x
    x = 11,106,066,655.55/95,434.40
  6. Step 6: Final answer
    x = 116,373.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.