Home / 56,776.04-85,207.80-45,709.84

Finding the Fourth Proportional to 56,776.04, 85,207.80 and 45,709.84

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Solution

The fourth proportional to 56,776.04, 85,207.80 and 45,709.84 is: 68,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776.04 : 85,207.80 = 45,709.84 : x
  2. Step 2: Convert to fraction form
    56,776.04/85,207.80 = 45,709.84/x
  3. Step 3: Cross multiply
    56,776.04x = 85,207.80 × 45,709.84
  4. Step 4: Simplify right side
    56,776.04x = 3,894,834,904.75
  5. Step 5: Solve for x
    x = 3,894,834,904.75/56,776.04
  6. Step 6: Final answer
    x = 68,599.97

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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.