Home / 89,886.48-134,828.64-23,320.68

Finding the Fourth Proportional to 89,886.48, 134,828.64 and 23,320.68

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Solution

The fourth proportional to 89,886.48, 134,828.64 and 23,320.68 is: 34,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,886.48 : 134,828.64 = 23,320.68 : x
  2. Step 2: Convert to fraction form
    89,886.48/134,828.64 = 23,320.68/x
  3. Step 3: Cross multiply
    89,886.48x = 134,828.64 × 23,320.68
  4. Step 4: Simplify right side
    89,886.48x = 3,144,295,568.28
  5. Step 5: Solve for x
    x = 3,144,295,568.28/89,886.48
  6. Step 6: Final answer
    x = 34,980.74

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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.