Home / 117,695.51-162,416.38-66,712.93

Finding the Fourth Proportional to 117,695.51, 162,416.38 and 66,712.93

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Solution

The fourth proportional to 117,695.51, 162,416.38 and 66,712.93 is: 92,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,695.51 : 162,416.38 = 66,712.93 : x
  2. Step 2: Convert to fraction form
    117,695.51/162,416.38 = 66,712.93/x
  3. Step 3: Cross multiply
    117,695.51x = 162,416.38 × 66,712.93
  4. Step 4: Simplify right side
    117,695.51x = 10,835,272,589.79
  5. Step 5: Solve for x
    x = 10,835,272,589.79/117,695.51
  6. Step 6: Final answer
    x = 92,061.90

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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.