Home / 67,020.30-92,495.40-38,342.58

Finding the Fourth Proportional to 67,020.30, 92,495.40 and 38,342.58

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Solution

The fourth proportional to 67,020.30, 92,495.40 and 38,342.58 is: 52,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.30 : 92,495.40 = 38,342.58 : x
  2. Step 2: Convert to fraction form
    67,020.30/92,495.40 = 38,342.58/x
  3. Step 3: Cross multiply
    67,020.30x = 92,495.40 × 38,342.58
  4. Step 4: Simplify right side
    67,020.30x = 3,546,512,274.13
  5. Step 5: Solve for x
    x = 3,546,512,274.13/67,020.30
  6. Step 6: Final answer
    x = 52,916.99

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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.