Home / 113,799.76-157,043.56-63,498.76

Finding the Fourth Proportional to 113,799.76, 157,043.56 and 63,498.76

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Solution

The fourth proportional to 113,799.76, 157,043.56 and 63,498.76 is: 87,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,799.76 : 157,043.56 = 63,498.76 : x
  2. Step 2: Convert to fraction form
    113,799.76/157,043.56 = 63,498.76/x
  3. Step 3: Cross multiply
    113,799.76x = 157,043.56 × 63,498.76
  4. Step 4: Simplify right side
    113,799.76x = 9,972,071,325.99
  5. Step 5: Solve for x
    x = 9,972,071,325.99/113,799.76
  6. Step 6: Final answer
    x = 87,628.23

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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.