Home / 72,125.69-99,433.37-62,160.26

Finding the Fourth Proportional to 72,125.69, 99,433.37 and 62,160.26

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Solution

The fourth proportional to 72,125.69, 99,433.37 and 62,160.26 is: 85,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.69 : 99,433.37 = 62,160.26 : x
  2. Step 2: Convert to fraction form
    72,125.69/99,433.37 = 62,160.26/x
  3. Step 3: Cross multiply
    72,125.69x = 99,433.37 × 62,160.26
  4. Step 4: Simplify right side
    72,125.69x = 6,180,803,821.07
  5. Step 5: Solve for x
    x = 6,180,803,821.07/72,125.69
  6. Step 6: Final answer
    x = 85,694.90

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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.