Home / 115,326.73-159,123.75-70,003.60

Finding the Fourth Proportional to 115,326.73, 159,123.75 and 70,003.60

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Solution

The fourth proportional to 115,326.73, 159,123.75 and 70,003.60 is: 96,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,326.73 : 159,123.75 = 70,003.60 : x
  2. Step 2: Convert to fraction form
    115,326.73/159,123.75 = 70,003.60/x
  3. Step 3: Cross multiply
    115,326.73x = 159,123.75 × 70,003.60
  4. Step 4: Simplify right side
    115,326.73x = 11,139,235,345.50
  5. Step 5: Solve for x
    x = 11,139,235,345.50/115,326.73
  6. Step 6: Final answer
    x = 96,588.50

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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.