Home / 56,779.81-85,105.12-34,544.17

Finding the Fourth Proportional to 56,779.81, 85,105.12 and 34,544.17

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Solution

The fourth proportional to 56,779.81, 85,105.12 and 34,544.17 is: 51,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779.81 : 85,105.12 = 34,544.17 : x
  2. Step 2: Convert to fraction form
    56,779.81/85,105.12 = 34,544.17/x
  3. Step 3: Cross multiply
    56,779.81x = 85,105.12 × 34,544.17
  4. Step 4: Simplify right side
    56,779.81x = 2,939,885,307.62
  5. Step 5: Solve for x
    x = 2,939,885,307.62/56,779.81
  6. Step 6: Final answer
    x = 51,776.95

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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.