Home / 90,501.56-124,890.55-50,214.62

Finding the Fourth Proportional to 90,501.56, 124,890.55 and 50,214.62

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Solution

The fourth proportional to 90,501.56, 124,890.55 and 50,214.62 is: 69,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501.56 : 124,890.55 = 50,214.62 : x
  2. Step 2: Convert to fraction form
    90,501.56/124,890.55 = 50,214.62/x
  3. Step 3: Cross multiply
    90,501.56x = 124,890.55 × 50,214.62
  4. Step 4: Simplify right side
    90,501.56x = 6,271,331,258.77
  5. Step 5: Solve for x
    x = 6,271,331,258.77/90,501.56
  6. Step 6: Final answer
    x = 69,295.28

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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.