Home / 78,204.15-107,916.30-44,214.26

Finding the Fourth Proportional to 78,204.15, 107,916.30 and 44,214.26

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Solution

The fourth proportional to 78,204.15, 107,916.30 and 44,214.26 is: 61,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,204.15 : 107,916.30 = 44,214.26 : x
  2. Step 2: Convert to fraction form
    78,204.15/107,916.30 = 44,214.26/x
  3. Step 3: Cross multiply
    78,204.15x = 107,916.30 × 44,214.26
  4. Step 4: Simplify right side
    78,204.15x = 4,771,438,806.86
  5. Step 5: Solve for x
    x = 4,771,438,806.86/78,204.15
  6. Step 6: Final answer
    x = 61,012.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.