Home / 67,136.34-92,649.28-38,458.51

Finding the Fourth Proportional to 67,136.34, 92,649.28 and 38,458.51

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Solution

The fourth proportional to 67,136.34, 92,649.28 and 38,458.51 is: 53,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.34 : 92,649.28 = 38,458.51 : x
  2. Step 2: Convert to fraction form
    67,136.34/92,649.28 = 38,458.51/x
  3. Step 3: Cross multiply
    67,136.34x = 92,649.28 × 38,458.51
  4. Step 4: Simplify right side
    67,136.34x = 3,563,153,056.52
  5. Step 5: Solve for x
    x = 3,563,153,056.52/67,136.34
  6. Step 6: Final answer
    x = 53,073.39

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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.