Home / 66,740.81-92,103.53-38,063.77

Finding the Fourth Proportional to 66,740.81, 92,103.53 and 38,063.77

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Solution

The fourth proportional to 66,740.81, 92,103.53 and 38,063.77 is: 52,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.81 : 92,103.53 = 38,063.77 : x
  2. Step 2: Convert to fraction form
    66,740.81/92,103.53 = 38,063.77/x
  3. Step 3: Cross multiply
    66,740.81x = 92,103.53 × 38,063.77
  4. Step 4: Simplify right side
    66,740.81x = 3,505,807,161.53
  5. Step 5: Solve for x
    x = 3,505,807,161.53/66,740.81
  6. Step 6: Final answer
    x = 52,528.69

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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.