Home / 66,875.41-92,294.66-38,199.36

Finding the Fourth Proportional to 66,875.41, 92,294.66 and 38,199.36

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Solution

The fourth proportional to 66,875.41, 92,294.66 and 38,199.36 is: 52,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.41 : 92,294.66 = 38,199.36 : x
  2. Step 2: Convert to fraction form
    66,875.41/92,294.66 = 38,199.36/x
  3. Step 3: Cross multiply
    66,875.41x = 92,294.66 × 38,199.36
  4. Step 4: Simplify right side
    66,875.41x = 3,525,596,577.44
  5. Step 5: Solve for x
    x = 3,525,596,577.44/66,875.41
  6. Step 6: Final answer
    x = 52,718.88

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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.