Home / 90,779.73-125,274.22-50,492.62

Finding the Fourth Proportional to 90,779.73, 125,274.22 and 50,492.62

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Solution

The fourth proportional to 90,779.73, 125,274.22 and 50,492.62 is: 69,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,779.73 : 125,274.22 = 50,492.62 : x
  2. Step 2: Convert to fraction form
    90,779.73/125,274.22 = 50,492.62/x
  3. Step 3: Cross multiply
    90,779.73x = 125,274.22 × 50,492.62
  4. Step 4: Simplify right side
    90,779.73x = 6,325,423,586.26
  5. Step 5: Solve for x
    x = 6,325,423,586.26/90,779.73
  6. Step 6: Final answer
    x = 69,678.81

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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.