Home / 113,800.34-157,042.85-62,814.03

Finding the Fourth Proportional to 113,800.34, 157,042.85 and 62,814.03

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Solution

The fourth proportional to 113,800.34, 157,042.85 and 62,814.03 is: 86,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.34 : 157,042.85 = 62,814.03 : x
  2. Step 2: Convert to fraction form
    113,800.34/157,042.85 = 62,814.03/x
  3. Step 3: Cross multiply
    113,800.34x = 157,042.85 × 62,814.03
  4. Step 4: Simplify right side
    113,800.34x = 9,864,493,977.12
  5. Step 5: Solve for x
    x = 9,864,493,977.12/113,800.34
  6. Step 6: Final answer
    x = 86,682.47

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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.