Home / 115,617.16-159,569.94-70,309.36

Finding the Fourth Proportional to 115,617.16, 159,569.94 and 70,309.36

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Solution

The fourth proportional to 115,617.16, 159,569.94 and 70,309.36 is: 97,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,617.16 : 159,569.94 = 70,309.36 : x
  2. Step 2: Convert to fraction form
    115,617.16/159,569.94 = 70,309.36/x
  3. Step 3: Cross multiply
    115,617.16x = 159,569.94 × 70,309.36
  4. Step 4: Simplify right side
    115,617.16x = 11,219,260,356.64
  5. Step 5: Solve for x
    x = 11,219,260,356.64/115,617.16
  6. Step 6: Final answer
    x = 97,038.02

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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.