Home / 72,537.56-100,102.43-40,713.98

Finding the Fourth Proportional to 72,537.56, 100,102.43 and 40,713.98

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Solution

The fourth proportional to 72,537.56, 100,102.43 and 40,713.98 is: 56,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.56 : 100,102.43 = 40,713.98 : x
  2. Step 2: Convert to fraction form
    72,537.56/100,102.43 = 40,713.98/x
  3. Step 3: Cross multiply
    72,537.56x = 100,102.43 × 40,713.98
  4. Step 4: Simplify right side
    72,537.56x = 4,075,567,934.24
  5. Step 5: Solve for x
    x = 4,075,567,934.24/72,537.56
  6. Step 6: Final answer
    x = 56,185.62

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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.