Home / 89,661.48-134,381.36-45,300.84

Finding the Fourth Proportional to 89,661.48, 134,381.36 and 45,300.84

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Solution

The fourth proportional to 89,661.48, 134,381.36 and 45,300.84 is: 67,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,661.48 : 134,381.36 = 45,300.84 : x
  2. Step 2: Convert to fraction form
    89,661.48/134,381.36 = 45,300.84/x
  3. Step 3: Cross multiply
    89,661.48x = 134,381.36 × 45,300.84
  4. Step 4: Simplify right side
    89,661.48x = 6,087,588,488.34
  5. Step 5: Solve for x
    x = 6,087,588,488.34/89,661.48
  6. Step 6: Final answer
    x = 67,895.25

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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.