Home / 86,867.46-119,856.42-52,875.54

Finding the Fourth Proportional to 86,867.46, 119,856.42 and 52,875.54

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Solution

The fourth proportional to 86,867.46, 119,856.42 and 52,875.54 is: 72,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,867.46 : 119,856.42 = 52,875.54 : x
  2. Step 2: Convert to fraction form
    86,867.46/119,856.42 = 52,875.54/x
  3. Step 3: Cross multiply
    86,867.46x = 119,856.42 × 52,875.54
  4. Step 4: Simplify right side
    86,867.46x = 6,337,472,929.97
  5. Step 5: Solve for x
    x = 6,337,472,929.97/86,867.46
  6. Step 6: Final answer
    x = 72,955.66

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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.