Home / 72,487.09-100,011.67-46,994.50

Finding the Fourth Proportional to 72,487.09, 100,011.67 and 46,994.50

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Solution

The fourth proportional to 72,487.09, 100,011.67 and 46,994.50 is: 64,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,487.09 : 100,011.67 = 46,994.50 : x
  2. Step 2: Convert to fraction form
    72,487.09/100,011.67 = 46,994.50/x
  3. Step 3: Cross multiply
    72,487.09x = 100,011.67 × 46,994.50
  4. Step 4: Simplify right side
    72,487.09x = 4,699,998,425.82
  5. Step 5: Solve for x
    x = 4,699,998,425.82/72,487.09
  6. Step 6: Final answer
    x = 64,839.11

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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.