Home / 89,779.34-123,895.80-48,943.24

Finding the Fourth Proportional to 89,779.34, 123,895.80 and 48,943.24

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Solution

The fourth proportional to 89,779.34, 123,895.80 and 48,943.24 is: 67,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,779.34 : 123,895.80 = 48,943.24 : x
  2. Step 2: Convert to fraction form
    89,779.34/123,895.80 = 48,943.24/x
  3. Step 3: Cross multiply
    89,779.34x = 123,895.80 × 48,943.24
  4. Step 4: Simplify right side
    89,779.34x = 6,063,861,874.39
  5. Step 5: Solve for x
    x = 6,063,861,874.39/89,779.34
  6. Step 6: Final answer
    x = 67,541.84

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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.