Home / 88,035.87-121,491.15-54,027.34

Finding the Fourth Proportional to 88,035.87, 121,491.15 and 54,027.34

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Solution

The fourth proportional to 88,035.87, 121,491.15 and 54,027.34 is: 74,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,035.87 : 121,491.15 = 54,027.34 : x
  2. Step 2: Convert to fraction form
    88,035.87/121,491.15 = 54,027.34/x
  3. Step 3: Cross multiply
    88,035.87x = 121,491.15 × 54,027.34
  4. Step 4: Simplify right side
    88,035.87x = 6,563,843,668.04
  5. Step 5: Solve for x
    x = 6,563,843,668.04/88,035.87
  6. Step 6: Final answer
    x = 74,558.74

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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.