Home / 90,053.46-124,269.90-51,810.12

Finding the Fourth Proportional to 90,053.46, 124,269.90 and 51,810.12

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Solution

The fourth proportional to 90,053.46, 124,269.90 and 51,810.12 is: 71,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,053.46 : 124,269.90 = 51,810.12 : x
  2. Step 2: Convert to fraction form
    90,053.46/124,269.90 = 51,810.12/x
  3. Step 3: Cross multiply
    90,053.46x = 124,269.90 × 51,810.12
  4. Step 4: Simplify right side
    90,053.46x = 6,438,438,431.39
  5. Step 5: Solve for x
    x = 6,438,438,431.39/90,053.46
  6. Step 6: Final answer
    x = 71,495.74

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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.