Home / 61,836.16-85,269.36-36,680.80

Finding the Fourth Proportional to 61,836.16, 85,269.36 and 36,680.80

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Solution

The fourth proportional to 61,836.16, 85,269.36 and 36,680.80 is: 50,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,836.16 : 85,269.36 = 36,680.80 : x
  2. Step 2: Convert to fraction form
    61,836.16/85,269.36 = 36,680.80/x
  3. Step 3: Cross multiply
    61,836.16x = 85,269.36 × 36,680.80
  4. Step 4: Simplify right side
    61,836.16x = 3,127,748,340.29
  5. Step 5: Solve for x
    x = 3,127,748,340.29/61,836.16
  6. Step 6: Final answer
    x = 50,581.22

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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.