Home / 103,583.66-142,944.02-58,261.62

Finding the Fourth Proportional to 103,583.66, 142,944.02 and 58,261.62

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Solution

The fourth proportional to 103,583.66, 142,944.02 and 58,261.62 is: 80,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,583.66 : 142,944.02 = 58,261.62 : x
  2. Step 2: Convert to fraction form
    103,583.66/142,944.02 = 58,261.62/x
  3. Step 3: Cross multiply
    103,583.66x = 142,944.02 × 58,261.62
  4. Step 4: Simplify right side
    103,583.66x = 8,328,149,883.20
  5. Step 5: Solve for x
    x = 8,328,149,883.20/103,583.66
  6. Step 6: Final answer
    x = 80,400.23

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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.