Home / 74,742.42-112,307.40-56,197.26

Finding the Fourth Proportional to 74,742.42, 112,307.40 and 56,197.26

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Solution

The fourth proportional to 74,742.42, 112,307.40 and 56,197.26 is: 84,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742.42 : 112,307.40 = 56,197.26 : x
  2. Step 2: Convert to fraction form
    74,742.42/112,307.40 = 56,197.26/x
  3. Step 3: Cross multiply
    74,742.42x = 112,307.40 × 56,197.26
  4. Step 4: Simplify right side
    74,742.42x = 6,311,368,157.72
  5. Step 5: Solve for x
    x = 6,311,368,157.72/74,742.42
  6. Step 6: Final answer
    x = 84,441.58

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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.