Home / 82,931.68-114,445.62-45,205.92

Finding the Fourth Proportional to 82,931.68, 114,445.62 and 45,205.92

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Solution

The fourth proportional to 82,931.68, 114,445.62 and 45,205.92 is: 62,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,931.68 : 114,445.62 = 45,205.92 : x
  2. Step 2: Convert to fraction form
    82,931.68/114,445.62 = 45,205.92/x
  3. Step 3: Cross multiply
    82,931.68x = 114,445.62 × 45,205.92
  4. Step 4: Simplify right side
    82,931.68x = 5,173,619,542.07
  5. Step 5: Solve for x
    x = 5,173,619,542.07/82,931.68
  6. Step 6: Final answer
    x = 62,384.12

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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.