Home / 96,985.42-133,839.88-54,543.94

Finding the Fourth Proportional to 96,985.42, 133,839.88 and 54,543.94

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Solution

The fourth proportional to 96,985.42, 133,839.88 and 54,543.94 is: 75,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,985.42 : 133,839.88 = 54,543.94 : x
  2. Step 2: Convert to fraction form
    96,985.42/133,839.88 = 54,543.94/x
  3. Step 3: Cross multiply
    96,985.42x = 133,839.88 × 54,543.94
  4. Step 4: Simplify right side
    96,985.42x = 7,300,153,913.37
  5. Step 5: Solve for x
    x = 7,300,153,913.37/96,985.42
  6. Step 6: Final answer
    x = 75,270.63

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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.