Home / 71,980.86-99,282.16-62,403.62

Finding the Fourth Proportional to 71,980.86, 99,282.16 and 62,403.62

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Solution

The fourth proportional to 71,980.86, 99,282.16 and 62,403.62 is: 86,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,980.86 : 99,282.16 = 62,403.62 : x
  2. Step 2: Convert to fraction form
    71,980.86/99,282.16 = 62,403.62/x
  3. Step 3: Cross multiply
    71,980.86x = 99,282.16 × 62,403.62
  4. Step 4: Simplify right side
    71,980.86x = 6,195,566,185.42
  5. Step 5: Solve for x
    x = 6,195,566,185.42/71,980.86
  6. Step 6: Final answer
    x = 86,072.41

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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.