Home / 86,506.28-119,378.76-50,689.16

Finding the Fourth Proportional to 86,506.28, 119,378.76 and 50,689.16

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Solution

The fourth proportional to 86,506.28, 119,378.76 and 50,689.16 is: 69,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,506.28 : 119,378.76 = 50,689.16 : x
  2. Step 2: Convert to fraction form
    86,506.28/119,378.76 = 50,689.16/x
  3. Step 3: Cross multiply
    86,506.28x = 119,378.76 × 50,689.16
  4. Step 4: Simplify right side
    86,506.28x = 6,051,209,066.24
  5. Step 5: Solve for x
    x = 6,051,209,066.24/86,506.28
  6. Step 6: Final answer
    x = 69,951.10

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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.