Home / 89,160.96-123,045.12-48,878.40

Finding the Fourth Proportional to 89,160.96, 123,045.12 and 48,878.40

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Solution

The fourth proportional to 89,160.96, 123,045.12 and 48,878.40 is: 67,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,160.96 : 123,045.12 = 48,878.40 : x
  2. Step 2: Convert to fraction form
    89,160.96/123,045.12 = 48,878.40/x
  3. Step 3: Cross multiply
    89,160.96x = 123,045.12 × 48,878.40
  4. Step 4: Simplify right side
    89,160.96x = 6,014,248,593.41
  5. Step 5: Solve for x
    x = 6,014,248,593.41/89,160.96
  6. Step 6: Final answer
    x = 67,453.83

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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.