Home / 115,633.48-159,623.40-70,326.00

Finding the Fourth Proportional to 115,633.48, 159,623.40 and 70,326.00

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Solution

The fourth proportional to 115,633.48, 159,623.40 and 70,326.00 is: 97,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,633.48 : 159,623.40 = 70,326.00 : x
  2. Step 2: Convert to fraction form
    115,633.48/159,623.40 = 70,326.00/x
  3. Step 3: Cross multiply
    115,633.48x = 159,623.40 × 70,326.00
  4. Step 4: Simplify right side
    115,633.48x = 11,225,675,275.83
  5. Step 5: Solve for x
    x = 11,225,675,275.83/115,633.48
  6. Step 6: Final answer
    x = 97,079.80

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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.