Home / 101,932.84-140,662.53-56,613.75

Finding the Fourth Proportional to 101,932.84, 140,662.53 and 56,613.75

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Solution

The fourth proportional to 101,932.84, 140,662.53 and 56,613.75 is: 78,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,932.84 : 140,662.53 = 56,613.75 : x
  2. Step 2: Convert to fraction form
    101,932.84/140,662.53 = 56,613.75/x
  3. Step 3: Cross multiply
    101,932.84x = 140,662.53 × 56,613.75
  4. Step 4: Simplify right side
    101,932.84x = 7,963,433,307.79
  5. Step 5: Solve for x
    x = 7,963,433,307.79/101,932.84
  6. Step 6: Final answer
    x = 78,124.32

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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.