Home / 88,237.08-121,783.68-50,511.42

Finding the Fourth Proportional to 88,237.08, 121,783.68 and 50,511.42

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Solution

The fourth proportional to 88,237.08, 121,783.68 and 50,511.42 is: 69,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,237.08 : 121,783.68 = 50,511.42 : x
  2. Step 2: Convert to fraction form
    88,237.08/121,783.68 = 50,511.42/x
  3. Step 3: Cross multiply
    88,237.08x = 121,783.68 × 50,511.42
  4. Step 4: Simplify right side
    88,237.08x = 6,151,466,609.63
  5. Step 5: Solve for x
    x = 6,151,466,609.63/88,237.08
  6. Step 6: Final answer
    x = 69,715.21

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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.