Home / 56,777.04-85,209.30-45,710.84

Finding the Fourth Proportional to 56,777.04, 85,209.30 and 45,710.84

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Solution

The fourth proportional to 56,777.04, 85,209.30 and 45,710.84 is: 68,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,777.04 : 85,209.30 = 45,710.84 : x
  2. Step 2: Convert to fraction form
    56,777.04/85,209.30 = 45,710.84/x
  3. Step 3: Cross multiply
    56,777.04x = 85,209.30 × 45,710.84
  4. Step 4: Simplify right side
    56,777.04x = 3,894,988,678.81
  5. Step 5: Solve for x
    x = 3,894,988,678.81/56,777.04
  6. Step 6: Final answer
    x = 68,601.47

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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.