Home / 84,656.46-116,802.27-66,695.72

Finding the Fourth Proportional to 84,656.46, 116,802.27 and 66,695.72

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Solution

The fourth proportional to 84,656.46, 116,802.27 and 66,695.72 is: 92,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.46 : 116,802.27 = 66,695.72 : x
  2. Step 2: Convert to fraction form
    84,656.46/116,802.27 = 66,695.72/x
  3. Step 3: Cross multiply
    84,656.46x = 116,802.27 × 66,695.72
  4. Step 4: Simplify right side
    84,656.46x = 7,790,210,911.27
  5. Step 5: Solve for x
    x = 7,790,210,911.27/84,656.46
  6. Step 6: Final answer
    x = 92,021.46

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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.