Home / 84,855.30-127,110.15-43,325.70

Finding the Fourth Proportional to 84,855.30, 127,110.15 and 43,325.70

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Solution

The fourth proportional to 84,855.30, 127,110.15 and 43,325.70 is: 64,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,855.30 : 127,110.15 = 43,325.70 : x
  2. Step 2: Convert to fraction form
    84,855.30/127,110.15 = 43,325.70/x
  3. Step 3: Cross multiply
    84,855.30x = 127,110.15 × 43,325.70
  4. Step 4: Simplify right side
    84,855.30x = 5,507,136,225.86
  5. Step 5: Solve for x
    x = 5,507,136,225.86/84,855.30
  6. Step 6: Final answer
    x = 64,900.32

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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.