Home / 72,528.59-100,089.18-40,697.41

Finding the Fourth Proportional to 72,528.59, 100,089.18 and 40,697.41

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Solution

The fourth proportional to 72,528.59, 100,089.18 and 40,697.41 is: 56,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,528.59 : 100,089.18 = 40,697.41 : x
  2. Step 2: Convert to fraction form
    72,528.59/100,089.18 = 40,697.41/x
  3. Step 3: Cross multiply
    72,528.59x = 100,089.18 × 40,697.41
  4. Step 4: Simplify right side
    72,528.59x = 4,073,370,144.80
  5. Step 5: Solve for x
    x = 4,073,370,144.80/72,528.59
  6. Step 6: Final answer
    x = 56,162.27

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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.