Home / 56,368.70-84,594.05-45,407.73

Finding the Fourth Proportional to 56,368.70, 84,594.05 and 45,407.73

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Solution

The fourth proportional to 56,368.70, 84,594.05 and 45,407.73 is: 68,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,368.70 : 84,594.05 = 45,407.73 : x
  2. Step 2: Convert to fraction form
    56,368.70/84,594.05 = 45,407.73/x
  3. Step 3: Cross multiply
    56,368.70x = 84,594.05 × 45,407.73
  4. Step 4: Simplify right side
    56,368.70x = 3,841,223,782.01
  5. Step 5: Solve for x
    x = 3,841,223,782.01/56,368.70
  6. Step 6: Final answer
    x = 68,144.62

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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.