Home / 86,457.28-119,409.42-58,113.76

Finding the Fourth Proportional to 86,457.28, 119,409.42 and 58,113.76

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Solution

The fourth proportional to 86,457.28, 119,409.42 and 58,113.76 is: 80,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.28 : 119,409.42 = 58,113.76 : x
  2. Step 2: Convert to fraction form
    86,457.28/119,409.42 = 58,113.76/x
  3. Step 3: Cross multiply
    86,457.28x = 119,409.42 × 58,113.76
  4. Step 4: Simplify right side
    86,457.28x = 6,939,330,375.62
  5. Step 5: Solve for x
    x = 6,939,330,375.62/86,457.28
  6. Step 6: Final answer
    x = 80,263.11

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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.