Home / 86,509.28-119,382.90-50,692.16

Finding the Fourth Proportional to 86,509.28, 119,382.90 and 50,692.16

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Solution

The fourth proportional to 86,509.28, 119,382.90 and 50,692.16 is: 69,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.28 : 119,382.90 = 50,692.16 : x
  2. Step 2: Convert to fraction form
    86,509.28/119,382.90 = 50,692.16/x
  3. Step 3: Cross multiply
    86,509.28x = 119,382.90 × 50,692.16
  4. Step 4: Simplify right side
    86,509.28x = 6,051,777,068.06
  5. Step 5: Solve for x
    x = 6,051,777,068.06/86,509.28
  6. Step 6: Final answer
    x = 69,955.24

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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.