Home / 58,163.38-80,295.95-39,143.16

Finding the Fourth Proportional to 58,163.38, 80,295.95 and 39,143.16

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Solution

The fourth proportional to 58,163.38, 80,295.95 and 39,143.16 is: 54,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,163.38 : 80,295.95 = 39,143.16 : x
  2. Step 2: Convert to fraction form
    58,163.38/80,295.95 = 39,143.16/x
  3. Step 3: Cross multiply
    58,163.38x = 80,295.95 × 39,143.16
  4. Step 4: Simplify right side
    58,163.38x = 3,143,037,316.06
  5. Step 5: Solve for x
    x = 3,143,037,316.06/58,163.38
  6. Step 6: Final answer
    x = 54,038.08

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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.