Home / 90,368.08-124,708.66-50,082.50

Finding the Fourth Proportional to 90,368.08, 124,708.66 and 50,082.50

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Solution

The fourth proportional to 90,368.08, 124,708.66 and 50,082.50 is: 69,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.08 : 124,708.66 = 50,082.50 : x
  2. Step 2: Convert to fraction form
    90,368.08/124,708.66 = 50,082.50/x
  3. Step 3: Cross multiply
    90,368.08x = 124,708.66 × 50,082.50
  4. Step 4: Simplify right side
    90,368.08x = 6,245,721,464.45
  5. Step 5: Solve for x
    x = 6,245,721,464.45/90,368.08
  6. Step 6: Final answer
    x = 69,114.24

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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.