Home / 86,689.06-119,597.94-64,082.32

Finding the Fourth Proportional to 86,689.06, 119,597.94 and 64,082.32

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Solution

The fourth proportional to 86,689.06, 119,597.94 and 64,082.32 is: 88,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,689.06 : 119,597.94 = 64,082.32 : x
  2. Step 2: Convert to fraction form
    86,689.06/119,597.94 = 64,082.32/x
  3. Step 3: Cross multiply
    86,689.06x = 119,597.94 × 64,082.32
  4. Step 4: Simplify right side
    86,689.06x = 7,664,113,462.42
  5. Step 5: Solve for x
    x = 7,664,113,462.42/86,689.06
  6. Step 6: Final answer
    x = 88,409.23

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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.