Home / 84,821.70-127,232.55-49,392.30

Finding the Fourth Proportional to 84,821.70, 127,232.55 and 49,392.30

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Solution

The fourth proportional to 84,821.70, 127,232.55 and 49,392.30 is: 74,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,821.70 : 127,232.55 = 49,392.30 : x
  2. Step 2: Convert to fraction form
    84,821.70/127,232.55 = 49,392.30/x
  3. Step 3: Cross multiply
    84,821.70x = 127,232.55 × 49,392.30
  4. Step 4: Simplify right side
    84,821.70x = 6,284,308,279.37
  5. Step 5: Solve for x
    x = 6,284,308,279.37/84,821.70
  6. Step 6: Final answer
    x = 74,088.45

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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.