Home / 89,617.48-134,509.29-45,275.44

Finding the Fourth Proportional to 89,617.48, 134,509.29 and 45,275.44

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Solution

The fourth proportional to 89,617.48, 134,509.29 and 45,275.44 is: 67,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.48 : 134,509.29 = 45,275.44 : x
  2. Step 2: Convert to fraction form
    89,617.48/134,509.29 = 45,275.44/x
  3. Step 3: Cross multiply
    89,617.48x = 134,509.29 × 45,275.44
  4. Step 4: Simplify right side
    89,617.48x = 6,089,967,288.84
  5. Step 5: Solve for x
    x = 6,089,967,288.84/89,617.48
  6. Step 6: Final answer
    x = 67,955.13

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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.