Home / 91,730.30-126,588.04-53,516.12

Finding the Fourth Proportional to 91,730.30, 126,588.04 and 53,516.12

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Solution

The fourth proportional to 91,730.30, 126,588.04 and 53,516.12 is: 73,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.30 : 126,588.04 = 53,516.12 : x
  2. Step 2: Convert to fraction form
    91,730.30/126,588.04 = 53,516.12/x
  3. Step 3: Cross multiply
    91,730.30x = 126,588.04 × 53,516.12
  4. Step 4: Simplify right side
    91,730.30x = 6,774,499,972.47
  5. Step 5: Solve for x
    x = 6,774,499,972.47/91,730.30
  6. Step 6: Final answer
    x = 73,852.37

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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.