Home / 82,285.74-123,432.93-26,130.33

Finding the Fourth Proportional to 82,285.74, 123,432.93 and 26,130.33

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Solution

The fourth proportional to 82,285.74, 123,432.93 and 26,130.33 is: 39,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,285.74 : 123,432.93 = 26,130.33 : x
  2. Step 2: Convert to fraction form
    82,285.74/123,432.93 = 26,130.33/x
  3. Step 3: Cross multiply
    82,285.74x = 123,432.93 × 26,130.33
  4. Step 4: Simplify right side
    82,285.74x = 3,225,343,193.77
  5. Step 5: Solve for x
    x = 3,225,343,193.77/82,285.74
  6. Step 6: Final answer
    x = 39,196.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.