Home / 86,528.13-119,462.87-66,346.21

Finding the Fourth Proportional to 86,528.13, 119,462.87 and 66,346.21

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Solution

The fourth proportional to 86,528.13, 119,462.87 and 66,346.21 is: 91,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.13 : 119,462.87 = 66,346.21 : x
  2. Step 2: Convert to fraction form
    86,528.13/119,462.87 = 66,346.21/x
  3. Step 3: Cross multiply
    86,528.13x = 119,462.87 × 66,346.21
  4. Step 4: Simplify right side
    86,528.13x = 7,925,908,660.22
  5. Step 5: Solve for x
    x = 7,925,908,660.22/86,528.13
  6. Step 6: Final answer
    x = 91,599.21

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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.