Home / 102,723.04-154,053.92-43,557.76

Finding the Fourth Proportional to 102,723.04, 154,053.92 and 43,557.76

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Solution

The fourth proportional to 102,723.04, 154,053.92 and 43,557.76 is: 65,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723.04 : 154,053.92 = 43,557.76 : x
  2. Step 2: Convert to fraction form
    102,723.04/154,053.92 = 43,557.76/x
  3. Step 3: Cross multiply
    102,723.04x = 154,053.92 × 43,557.76
  4. Step 4: Simplify right side
    102,723.04x = 6,710,243,674.42
  5. Step 5: Solve for x
    x = 6,710,243,674.42/102,723.04
  6. Step 6: Final answer
    x = 65,323.65

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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.