Home / 96,623.42-133,341.71-72,381.44

Finding the Fourth Proportional to 96,623.42, 133,341.71 and 72,381.44

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Solution

The fourth proportional to 96,623.42, 133,341.71 and 72,381.44 is: 99,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,623.42 : 133,341.71 = 72,381.44 : x
  2. Step 2: Convert to fraction form
    96,623.42/133,341.71 = 72,381.44/x
  3. Step 3: Cross multiply
    96,623.42x = 133,341.71 × 72,381.44
  4. Step 4: Simplify right side
    96,623.42x = 9,651,464,981.86
  5. Step 5: Solve for x
    x = 9,651,464,981.86/96,623.42
  6. Step 6: Final answer
    x = 99,887.43

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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.