Home / 75,671.06-113,491.09-28,277.40

Finding the Fourth Proportional to 75,671.06, 113,491.09 and 28,277.40

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Solution

The fourth proportional to 75,671.06, 113,491.09 and 28,277.40 is: 42,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671.06 : 113,491.09 = 28,277.40 : x
  2. Step 2: Convert to fraction form
    75,671.06/113,491.09 = 28,277.40/x
  3. Step 3: Cross multiply
    75,671.06x = 113,491.09 × 28,277.40
  4. Step 4: Simplify right side
    75,671.06x = 3,209,232,948.37
  5. Step 5: Solve for x
    x = 3,209,232,948.37/75,671.06
  6. Step 6: Final answer
    x = 42,410.31

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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.