Home / 113,116.47-169,416.32-53,993.76

Finding the Fourth Proportional to 113,116.47, 169,416.32 and 53,993.76

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Solution

The fourth proportional to 113,116.47, 169,416.32 and 53,993.76 is: 80,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,116.47 : 169,416.32 = 53,993.76 : x
  2. Step 2: Convert to fraction form
    113,116.47/169,416.32 = 53,993.76/x
  3. Step 3: Cross multiply
    113,116.47x = 169,416.32 × 53,993.76
  4. Step 4: Simplify right side
    113,116.47x = 9,147,423,852.19
  5. Step 5: Solve for x
    x = 9,147,423,852.19/113,116.47
  6. Step 6: Final answer
    x = 80,867.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.