Home / 89,575.48-134,415.14-45,205.70

Finding the Fourth Proportional to 89,575.48, 134,415.14 and 45,205.70

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Solution

The fourth proportional to 89,575.48, 134,415.14 and 45,205.70 is: 67,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,575.48 : 134,415.14 = 45,205.70 : x
  2. Step 2: Convert to fraction form
    89,575.48/134,415.14 = 45,205.70/x
  3. Step 3: Cross multiply
    89,575.48x = 134,415.14 × 45,205.70
  4. Step 4: Simplify right side
    89,575.48x = 6,076,330,494.30
  5. Step 5: Solve for x
    x = 6,076,330,494.30/89,575.48
  6. Step 6: Final answer
    x = 67,834.75

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1.5x scale

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.