Home / 75,669.04-113,510.09-19,508.67

Finding the Fourth Proportional to 75,669.04, 113,510.09 and 19,508.67

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Solution

The fourth proportional to 75,669.04, 113,510.09 and 19,508.67 is: 29,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.04 : 113,510.09 = 19,508.67 : x
  2. Step 2: Convert to fraction form
    75,669.04/113,510.09 = 19,508.67/x
  3. Step 3: Cross multiply
    75,669.04x = 113,510.09 × 19,508.67
  4. Step 4: Simplify right side
    75,669.04x = 2,214,430,887.48
  5. Step 5: Solve for x
    x = 2,214,430,887.48/75,669.04
  6. Step 6: Final answer
    x = 29,264.69

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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.