Home / 72,445.94-99,975.33-40,614.85

Finding the Fourth Proportional to 72,445.94, 99,975.33 and 40,614.85

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Solution

The fourth proportional to 72,445.94, 99,975.33 and 40,614.85 is: 56,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,445.94 : 99,975.33 = 40,614.85 : x
  2. Step 2: Convert to fraction form
    72,445.94/99,975.33 = 40,614.85/x
  3. Step 3: Cross multiply
    72,445.94x = 99,975.33 × 40,614.85
  4. Step 4: Simplify right side
    72,445.94x = 4,060,483,031.65
  5. Step 5: Solve for x
    x = 4,060,483,031.65/72,445.94
  6. Step 6: Final answer
    x = 56,048.46

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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.