Home / 93,337.11-139,410.59-84,438.72

Finding the Fourth Proportional to 93,337.11, 139,410.59 and 84,438.72

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Solution

The fourth proportional to 93,337.11, 139,410.59 and 84,438.72 is: 126,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,337.11 : 139,410.59 = 84,438.72 : x
  2. Step 2: Convert to fraction form
    93,337.11/139,410.59 = 84,438.72/x
  3. Step 3: Cross multiply
    93,337.11x = 139,410.59 × 84,438.72
  4. Step 4: Simplify right side
    93,337.11x = 11,771,651,351.85
  5. Step 5: Solve for x
    x = 11,771,651,351.85/93,337.11
  6. Step 6: Final answer
    x = 126,119.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.