Home / 115,326.76-159,123.90-70,003.66

Finding the Fourth Proportional to 115,326.76, 159,123.90 and 70,003.66

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Solution

The fourth proportional to 115,326.76, 159,123.90 and 70,003.66 is: 96,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,326.76 : 159,123.90 = 70,003.66 : x
  2. Step 2: Convert to fraction form
    115,326.76/159,123.90 = 70,003.66/x
  3. Step 3: Cross multiply
    115,326.76x = 159,123.90 × 70,003.66
  4. Step 4: Simplify right side
    115,326.76x = 11,139,255,393.47
  5. Step 5: Solve for x
    x = 11,139,255,393.47/115,326.76
  6. Step 6: Final answer
    x = 96,588.64

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1.5x scale

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.