Home / 66,742.81-92,106.29-38,065.77

Finding the Fourth Proportional to 66,742.81, 92,106.29 and 38,065.77

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Solution

The fourth proportional to 66,742.81, 92,106.29 and 38,065.77 is: 52,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742.81 : 92,106.29 = 38,065.77 : x
  2. Step 2: Convert to fraction form
    66,742.81/92,106.29 = 38,065.77/x
  3. Step 3: Cross multiply
    66,742.81x = 92,106.29 × 38,065.77
  4. Step 4: Simplify right side
    66,742.81x = 3,506,096,850.69
  5. Step 5: Solve for x
    x = 3,506,096,850.69/66,742.81
  6. Step 6: Final answer
    x = 52,531.45

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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.