Home / 115,417.24-159,275.13-64,427.02

Finding the Fourth Proportional to 115,417.24, 159,275.13 and 64,427.02

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Solution

The fourth proportional to 115,417.24, 159,275.13 and 64,427.02 is: 88,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.24 : 159,275.13 = 64,427.02 : x
  2. Step 2: Convert to fraction form
    115,417.24/159,275.13 = 64,427.02/x
  3. Step 3: Cross multiply
    115,417.24x = 159,275.13 × 64,427.02
  4. Step 4: Simplify right side
    115,417.24x = 10,261,621,986.01
  5. Step 5: Solve for x
    x = 10,261,621,986.01/115,417.24
  6. Step 6: Final answer
    x = 88,908.92

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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.