Home / 61,613.38-92,417.64-42,838.12

Finding the Fourth Proportional to 61,613.38, 92,417.64 and 42,838.12

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Solution

The fourth proportional to 61,613.38, 92,417.64 and 42,838.12 is: 64,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,613.38 : 92,417.64 = 42,838.12 : x
  2. Step 2: Convert to fraction form
    61,613.38/92,417.64 = 42,838.12/x
  3. Step 3: Cross multiply
    61,613.38x = 92,417.64 × 42,838.12
  4. Step 4: Simplify right side
    61,613.38x = 3,958,997,952.44
  5. Step 5: Solve for x
    x = 3,958,997,952.44/61,613.38
  6. Step 6: Final answer
    x = 64,255.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.