Home / 72,950.34-100,665.45-41,127.06

Finding the Fourth Proportional to 72,950.34, 100,665.45 and 41,127.06

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Solution

The fourth proportional to 72,950.34, 100,665.45 and 41,127.06 is: 56,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950.34 : 100,665.45 = 41,127.06 : x
  2. Step 2: Convert to fraction form
    72,950.34/100,665.45 = 41,127.06/x
  3. Step 3: Cross multiply
    72,950.34x = 100,665.45 × 41,127.06
  4. Step 4: Simplify right side
    72,950.34x = 4,140,074,002.08
  5. Step 5: Solve for x
    x = 4,140,074,002.08/72,950.34
  6. Step 6: Final answer
    x = 56,751.95

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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.