Home / 75,913.32-104,756.58-42,372.84

Finding the Fourth Proportional to 75,913.32, 104,756.58 and 42,372.84

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Solution

The fourth proportional to 75,913.32, 104,756.58 and 42,372.84 is: 58,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,913.32 : 104,756.58 = 42,372.84 : x
  2. Step 2: Convert to fraction form
    75,913.32/104,756.58 = 42,372.84/x
  3. Step 3: Cross multiply
    75,913.32x = 104,756.58 × 42,372.84
  4. Step 4: Simplify right side
    75,913.32x = 4,438,833,803.29
  5. Step 5: Solve for x
    x = 4,438,833,803.29/75,913.32
  6. Step 6: Final answer
    x = 58,472.40

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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.