Home / 90,221.60-124,516.50-52,495.76

Finding the Fourth Proportional to 90,221.60, 124,516.50 and 52,495.76

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Solution

The fourth proportional to 90,221.60, 124,516.50 and 52,495.76 is: 72,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,221.60 : 124,516.50 = 52,495.76 : x
  2. Step 2: Convert to fraction form
    90,221.60/124,516.50 = 52,495.76/x
  3. Step 3: Cross multiply
    90,221.60x = 124,516.50 × 52,495.76
  4. Step 4: Simplify right side
    90,221.60x = 6,536,588,300.04
  5. Step 5: Solve for x
    x = 6,536,588,300.04/90,221.60
  6. Step 6: Final answer
    x = 72,450.37

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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.