Home / 103,313.17-142,574.28-57,994.42

Finding the Fourth Proportional to 103,313.17, 142,574.28 and 57,994.42

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Solution

The fourth proportional to 103,313.17, 142,574.28 and 57,994.42 is: 80,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,313.17 : 142,574.28 = 57,994.42 : x
  2. Step 2: Convert to fraction form
    103,313.17/142,574.28 = 57,994.42/x
  3. Step 3: Cross multiply
    103,313.17x = 142,574.28 × 57,994.42
  4. Step 4: Simplify right side
    103,313.17x = 8,268,512,675.52
  5. Step 5: Solve for x
    x = 8,268,512,675.52/103,313.17
  6. Step 6: Final answer
    x = 80,033.48

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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.