Home / 113,499.87-156,628.35-62,511.63

Finding the Fourth Proportional to 113,499.87, 156,628.35 and 62,511.63

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Solution

The fourth proportional to 113,499.87, 156,628.35 and 62,511.63 is: 86,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,499.87 : 156,628.35 = 62,511.63 : x
  2. Step 2: Convert to fraction form
    113,499.87/156,628.35 = 62,511.63/x
  3. Step 3: Cross multiply
    113,499.87x = 156,628.35 × 62,511.63
  4. Step 4: Simplify right side
    113,499.87x = 9,791,093,462.71
  5. Step 5: Solve for x
    x = 9,791,093,462.71/113,499.87
  6. Step 6: Final answer
    x = 86,265.24

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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.