Home / 89,689.23-134,539.95-29,717.57

Finding the Fourth Proportional to 89,689.23, 134,539.95 and 29,717.57

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Solution

The fourth proportional to 89,689.23, 134,539.95 and 29,717.57 is: 44,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,689.23 : 134,539.95 = 29,717.57 : x
  2. Step 2: Convert to fraction form
    89,689.23/134,539.95 = 29,717.57/x
  3. Step 3: Cross multiply
    89,689.23x = 134,539.95 × 29,717.57
  4. Step 4: Simplify right side
    89,689.23x = 3,998,199,709.22
  5. Step 5: Solve for x
    x = 3,998,199,709.22/89,689.23
  6. Step 6: Final answer
    x = 44,578.37

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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.