Home / 62,139.58-85,754.76-35,281.20

Finding the Fourth Proportional to 62,139.58, 85,754.76 and 35,281.20

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Solution

The fourth proportional to 62,139.58, 85,754.76 and 35,281.20 is: 48,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.58 : 85,754.76 = 35,281.20 : x
  2. Step 2: Convert to fraction form
    62,139.58/85,754.76 = 35,281.20/x
  3. Step 3: Cross multiply
    62,139.58x = 85,754.76 × 35,281.20
  4. Step 4: Simplify right side
    62,139.58x = 3,025,530,838.51
  5. Step 5: Solve for x
    x = 3,025,530,838.51/62,139.58
  6. Step 6: Final answer
    x = 48,689.27

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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.