Home / 115,628.29-159,592.71-70,296.64

Finding the Fourth Proportional to 115,628.29, 159,592.71 and 70,296.64

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Solution

The fourth proportional to 115,628.29, 159,592.71 and 70,296.64 is: 97,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,628.29 : 159,592.71 = 70,296.64 : x
  2. Step 2: Convert to fraction form
    115,628.29/159,592.71 = 70,296.64/x
  3. Step 3: Cross multiply
    115,628.29x = 159,592.71 × 70,296.64
  4. Step 4: Simplify right side
    115,628.29x = 11,218,831,281.49
  5. Step 5: Solve for x
    x = 11,218,831,281.49/115,628.29
  6. Step 6: Final answer
    x = 97,024.97

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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.