Home / 42,085.15-58,154.48-40,035.04

Finding the Fourth Proportional to 42,085.15, 58,154.48 and 40,035.04

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Solution

The fourth proportional to 42,085.15, 58,154.48 and 40,035.04 is: 55,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085.15 : 58,154.48 = 40,035.04 : x
  2. Step 2: Convert to fraction form
    42,085.15/58,154.48 = 40,035.04/x
  3. Step 3: Cross multiply
    42,085.15x = 58,154.48 × 40,035.04
  4. Step 4: Simplify right side
    42,085.15x = 2,328,216,932.98
  5. Step 5: Solve for x
    x = 2,328,216,932.98/42,085.15
  6. Step 6: Final answer
    x = 55,321.58

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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.