Home / 62,830.45-86,625.17-51,458.05

Finding the Fourth Proportional to 62,830.45, 86,625.17 and 51,458.05

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Solution

The fourth proportional to 62,830.45, 86,625.17 and 51,458.05 is: 70,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,830.45 : 86,625.17 = 51,458.05 : x
  2. Step 2: Convert to fraction form
    62,830.45/86,625.17 = 51,458.05/x
  3. Step 3: Cross multiply
    62,830.45x = 86,625.17 × 51,458.05
  4. Step 4: Simplify right side
    62,830.45x = 4,457,561,895.99
  5. Step 5: Solve for x
    x = 4,457,561,895.99/62,830.45
  6. Step 6: Final answer
    x = 70,945.89

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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.