Home / 75,126.42-112,653.18-37,670.40

Finding the Fourth Proportional to 75,126.42, 112,653.18 and 37,670.40

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Solution

The fourth proportional to 75,126.42, 112,653.18 and 37,670.40 is: 56,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.42 : 112,653.18 = 37,670.40 : x
  2. Step 2: Convert to fraction form
    75,126.42/112,653.18 = 37,670.40/x
  3. Step 3: Cross multiply
    75,126.42x = 112,653.18 × 37,670.40
  4. Step 4: Simplify right side
    75,126.42x = 4,243,690,351.87
  5. Step 5: Solve for x
    x = 4,243,690,351.87/75,126.42
  6. Step 6: Final answer
    x = 56,487.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.