Home / 61,748.19-85,214.21-34,890.17

Finding the Fourth Proportional to 61,748.19, 85,214.21 and 34,890.17

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Solution

The fourth proportional to 61,748.19, 85,214.21 and 34,890.17 is: 48,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,748.19 : 85,214.21 = 34,890.17 : x
  2. Step 2: Convert to fraction form
    61,748.19/85,214.21 = 34,890.17/x
  3. Step 3: Cross multiply
    61,748.19x = 85,214.21 × 34,890.17
  4. Step 4: Simplify right side
    61,748.19x = 2,973,137,672.79
  5. Step 5: Solve for x
    x = 2,973,137,672.79/61,748.19
  6. Step 6: Final answer
    x = 48,149.39

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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.