Home / 82,865.04-114,396.12-56,148.72

Finding the Fourth Proportional to 82,865.04, 114,396.12 and 56,148.72

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Solution

The fourth proportional to 82,865.04, 114,396.12 and 56,148.72 is: 77,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,865.04 : 114,396.12 = 56,148.72 : x
  2. Step 2: Convert to fraction form
    82,865.04/114,396.12 = 56,148.72/x
  3. Step 3: Cross multiply
    82,865.04x = 114,396.12 × 56,148.72
  4. Step 4: Simplify right side
    82,865.04x = 6,423,195,710.97
  5. Step 5: Solve for x
    x = 6,423,195,710.97/82,865.04
  6. Step 6: Final answer
    x = 77,513.94

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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.