Home / 72,089.04-99,526.68-49,465.20

Finding the Fourth Proportional to 72,089.04, 99,526.68 and 49,465.20

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Solution

The fourth proportional to 72,089.04, 99,526.68 and 49,465.20 is: 68,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,089.04 : 99,526.68 = 49,465.20 : x
  2. Step 2: Convert to fraction form
    72,089.04/99,526.68 = 49,465.20/x
  3. Step 3: Cross multiply
    72,089.04x = 99,526.68 × 49,465.20
  4. Step 4: Simplify right side
    72,089.04x = 4,923,107,131.54
  5. Step 5: Solve for x
    x = 4,923,107,131.54/72,089.04
  6. Step 6: Final answer
    x = 68,292.03

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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.