Home / 83,694.15-115,455.06-53,447.67

Finding the Fourth Proportional to 83,694.15, 115,455.06 and 53,447.67

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Solution

The fourth proportional to 83,694.15, 115,455.06 and 53,447.67 is: 73,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.15 : 115,455.06 = 53,447.67 : x
  2. Step 2: Convert to fraction form
    83,694.15/115,455.06 = 53,447.67/x
  3. Step 3: Cross multiply
    83,694.15x = 115,455.06 × 53,447.67
  4. Step 4: Simplify right side
    83,694.15x = 6,170,803,946.71
  5. Step 5: Solve for x
    x = 6,170,803,946.71/83,694.15
  6. Step 6: Final answer
    x = 73,730.41

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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.