Home / 66,717.04-100,075.48-31,637.56

Finding the Fourth Proportional to 66,717.04, 100,075.48 and 31,637.56

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Solution

The fourth proportional to 66,717.04, 100,075.48 and 31,637.56 is: 47,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.04 : 100,075.48 = 31,637.56 : x
  2. Step 2: Convert to fraction form
    66,717.04/100,075.48 = 31,637.56/x
  3. Step 3: Cross multiply
    66,717.04x = 100,075.48 × 31,637.56
  4. Step 4: Simplify right side
    66,717.04x = 3,166,144,003.03
  5. Step 5: Solve for x
    x = 3,166,144,003.03/66,717.04
  6. Step 6: Final answer
    x = 47,456.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.