Home / 56,916.40-85,374.60-39,201.70

Finding the Fourth Proportional to 56,916.40, 85,374.60 and 39,201.70

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Solution

The fourth proportional to 56,916.40, 85,374.60 and 39,201.70 is: 58,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,916.40 : 85,374.60 = 39,201.70 : x
  2. Step 2: Convert to fraction form
    56,916.40/85,374.60 = 39,201.70/x
  3. Step 3: Cross multiply
    56,916.40x = 85,374.60 × 39,201.70
  4. Step 4: Simplify right side
    56,916.40x = 3,346,829,456.82
  5. Step 5: Solve for x
    x = 3,346,829,456.82/56,916.40
  6. Step 6: Final answer
    x = 58,802.55

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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.