Home / 97,070.45-133,935.05-54,613.49

Finding the Fourth Proportional to 97,070.45, 133,935.05 and 54,613.49

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Solution

The fourth proportional to 97,070.45, 133,935.05 and 54,613.49 is: 75,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,070.45 : 133,935.05 = 54,613.49 : x
  2. Step 2: Convert to fraction form
    97,070.45/133,935.05 = 54,613.49/x
  3. Step 3: Cross multiply
    97,070.45x = 133,935.05 × 54,613.49
  4. Step 4: Simplify right side
    97,070.45x = 7,314,660,513.82
  5. Step 5: Solve for x
    x = 7,314,660,513.82/97,070.45
  6. Step 6: Final answer
    x = 75,354.14

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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.