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Finding the Fourth Proportional to 77,362.52, 115,964.36 and 44,011.58

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Solution

The fourth proportional to 77,362.52, 115,964.36 and 44,011.58 is: 65,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,362.52 : 115,964.36 = 44,011.58 : x
  2. Step 2: Convert to fraction form
    77,362.52/115,964.36 = 44,011.58/x
  3. Step 3: Cross multiply
    77,362.52x = 115,964.36 × 44,011.58
  4. Step 4: Simplify right side
    77,362.52x = 5,103,774,707.29
  5. Step 5: Solve for x
    x = 5,103,774,707.29/77,362.52
  6. Step 6: Final answer
    x = 65,972.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.