Home / 103,524.52-142,830.66-63,803.56

Finding the Fourth Proportional to 103,524.52, 142,830.66 and 63,803.56

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Solution

The fourth proportional to 103,524.52, 142,830.66 and 63,803.56 is: 88,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.52 : 142,830.66 = 63,803.56 : x
  2. Step 2: Convert to fraction form
    103,524.52/142,830.66 = 63,803.56/x
  3. Step 3: Cross multiply
    103,524.52x = 142,830.66 × 63,803.56
  4. Step 4: Simplify right side
    103,524.52x = 9,113,104,585.15
  5. Step 5: Solve for x
    x = 9,113,104,585.15/103,524.52
  6. Step 6: Final answer
    x = 88,028.46

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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.