Home / 115,459.36-159,337.04-70,126.94

Finding the Fourth Proportional to 115,459.36, 159,337.04 and 70,126.94

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Solution

The fourth proportional to 115,459.36, 159,337.04 and 70,126.94 is: 96,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,459.36 : 159,337.04 = 70,126.94 : x
  2. Step 2: Convert to fraction form
    115,459.36/159,337.04 = 70,126.94/x
  3. Step 3: Cross multiply
    115,459.36x = 159,337.04 × 70,126.94
  4. Step 4: Simplify right side
    115,459.36x = 11,173,819,043.86
  5. Step 5: Solve for x
    x = 11,173,819,043.86/115,459.36
  6. Step 6: Final answer
    x = 96,777.07

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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.