Home / 89,676.51-134,533.29-74,988.07

Finding the Fourth Proportional to 89,676.51, 134,533.29 and 74,988.07

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Solution

The fourth proportional to 89,676.51, 134,533.29 and 74,988.07 is: 112,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,676.51 : 134,533.29 = 74,988.07 : x
  2. Step 2: Convert to fraction form
    89,676.51/134,533.29 = 74,988.07/x
  3. Step 3: Cross multiply
    89,676.51x = 134,533.29 × 74,988.07
  4. Step 4: Simplify right side
    89,676.51x = 10,088,391,767.85
  5. Step 5: Solve for x
    x = 10,088,391,767.85/89,676.51
  6. Step 6: Final answer
    x = 112,497.60

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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.