Home / 59,128.53-81,686.24-38,758.95

Finding the Fourth Proportional to 59,128.53, 81,686.24 and 38,758.95

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Solution

The fourth proportional to 59,128.53, 81,686.24 and 38,758.95 is: 53,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,128.53 : 81,686.24 = 38,758.95 : x
  2. Step 2: Convert to fraction form
    59,128.53/81,686.24 = 38,758.95/x
  3. Step 3: Cross multiply
    59,128.53x = 81,686.24 × 38,758.95
  4. Step 4: Simplify right side
    59,128.53x = 3,166,072,698.05
  5. Step 5: Solve for x
    x = 3,166,072,698.05/59,128.53
  6. Step 6: Final answer
    x = 53,545.60

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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.