Home / 72,537.04-100,075.45-47,401.12

Finding the Fourth Proportional to 72,537.04, 100,075.45 and 47,401.12

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Solution

The fourth proportional to 72,537.04, 100,075.45 and 47,401.12 is: 65,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.04 : 100,075.45 = 47,401.12 : x
  2. Step 2: Convert to fraction form
    72,537.04/100,075.45 = 47,401.12/x
  3. Step 3: Cross multiply
    72,537.04x = 100,075.45 × 47,401.12
  4. Step 4: Simplify right side
    72,537.04x = 4,743,687,795.62
  5. Step 5: Solve for x
    x = 4,743,687,795.62/72,537.04
  6. Step 6: Final answer
    x = 65,396.77

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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.