Home / 64,589.40-89,122.60-35,908.26

Finding the Fourth Proportional to 64,589.40, 89,122.60 and 35,908.26

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Solution

The fourth proportional to 64,589.40, 89,122.60 and 35,908.26 is: 49,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.40 : 89,122.60 = 35,908.26 : x
  2. Step 2: Convert to fraction form
    64,589.40/89,122.60 = 35,908.26/x
  3. Step 3: Cross multiply
    64,589.40x = 89,122.60 × 35,908.26
  4. Step 4: Simplify right side
    64,589.40x = 3,200,237,402.91
  5. Step 5: Solve for x
    x = 3,200,237,402.91/64,589.40
  6. Step 6: Final answer
    x = 49,547.41

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1.5x scale

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.