Home / 77,159.24-106,448.40-50,292.32

Finding the Fourth Proportional to 77,159.24, 106,448.40 and 50,292.32

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Solution

The fourth proportional to 77,159.24, 106,448.40 and 50,292.32 is: 69,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,159.24 : 106,448.40 = 50,292.32 : x
  2. Step 2: Convert to fraction form
    77,159.24/106,448.40 = 50,292.32/x
  3. Step 3: Cross multiply
    77,159.24x = 106,448.40 × 50,292.32
  4. Step 4: Simplify right side
    77,159.24x = 5,353,536,996.29
  5. Step 5: Solve for x
    x = 5,353,536,996.29/77,159.24
  6. Step 6: Final answer
    x = 69,382.97

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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.