Home / 93,606.06-129,161.28-53,320.61

Finding the Fourth Proportional to 93,606.06, 129,161.28 and 53,320.61

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Solution

The fourth proportional to 93,606.06, 129,161.28 and 53,320.61 is: 73,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,606.06 : 129,161.28 = 53,320.61 : x
  2. Step 2: Convert to fraction form
    93,606.06/129,161.28 = 53,320.61/x
  3. Step 3: Cross multiply
    93,606.06x = 129,161.28 × 53,320.61
  4. Step 4: Simplify right side
    93,606.06x = 6,886,958,760.84
  5. Step 5: Solve for x
    x = 6,886,958,760.84/93,606.06
  6. Step 6: Final answer
    x = 73,573.85

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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.