Home / 89,743.11-134,569.71-50,289.63

Finding the Fourth Proportional to 89,743.11, 134,569.71 and 50,289.63

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Solution

The fourth proportional to 89,743.11, 134,569.71 and 50,289.63 is: 75,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.11 : 134,569.71 = 50,289.63 : x
  2. Step 2: Convert to fraction form
    89,743.11/134,569.71 = 50,289.63/x
  3. Step 3: Cross multiply
    89,743.11x = 134,569.71 × 50,289.63
  4. Step 4: Simplify right side
    89,743.11x = 6,767,460,925.11
  5. Step 5: Solve for x
    x = 6,767,460,925.11/89,743.11
  6. Step 6: Final answer
    x = 75,409.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.