Home / 84,923.42-117,213.64-52,665.18

Finding the Fourth Proportional to 84,923.42, 117,213.64 and 52,665.18

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Solution

The fourth proportional to 84,923.42, 117,213.64 and 52,665.18 is: 72,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.42 : 117,213.64 = 52,665.18 : x
  2. Step 2: Convert to fraction form
    84,923.42/117,213.64 = 52,665.18/x
  3. Step 3: Cross multiply
    84,923.42x = 117,213.64 × 52,665.18
  4. Step 4: Simplify right side
    84,923.42x = 6,173,077,449.06
  5. Step 5: Solve for x
    x = 6,173,077,449.06/84,923.42
  6. Step 6: Final answer
    x = 72,689.93

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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.