Home / 90,045.23-124,269.90-49,766.86

Finding the Fourth Proportional to 90,045.23, 124,269.90 and 49,766.86

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Solution

The fourth proportional to 90,045.23, 124,269.90 and 49,766.86 is: 68,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,045.23 : 124,269.90 = 49,766.86 : x
  2. Step 2: Convert to fraction form
    90,045.23/124,269.90 = 49,766.86/x
  3. Step 3: Cross multiply
    90,045.23x = 124,269.90 × 49,766.86
  4. Step 4: Simplify right side
    90,045.23x = 6,184,522,715.51
  5. Step 5: Solve for x
    x = 6,184,522,715.51/90,045.23
  6. Step 6: Final answer
    x = 68,682.40

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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.