Home / 117,713.77-162,448.19-64,002.49

Finding the Fourth Proportional to 117,713.77, 162,448.19 and 64,002.49

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Solution

The fourth proportional to 117,713.77, 162,448.19 and 64,002.49 is: 88,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,713.77 : 162,448.19 = 64,002.49 : x
  2. Step 2: Convert to fraction form
    117,713.77/162,448.19 = 64,002.49/x
  3. Step 3: Cross multiply
    117,713.77x = 162,448.19 × 64,002.49
  4. Step 4: Simplify right side
    117,713.77x = 10,397,088,655.99
  5. Step 5: Solve for x
    x = 10,397,088,655.99/117,713.77
  6. Step 6: Final answer
    x = 88,325.17

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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.