Home / 84,852.30-127,105.65-43,322.70

Finding the Fourth Proportional to 84,852.30, 127,105.65 and 43,322.70

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Solution

The fourth proportional to 84,852.30, 127,105.65 and 43,322.70 is: 64,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,852.30 : 127,105.65 = 43,322.70 : x
  2. Step 2: Convert to fraction form
    84,852.30/127,105.65 = 43,322.70/x
  3. Step 3: Cross multiply
    84,852.30x = 127,105.65 × 43,322.70
  4. Step 4: Simplify right side
    84,852.30x = 5,506,559,943.26
  5. Step 5: Solve for x
    x = 5,506,559,943.26/84,852.30
  6. Step 6: Final answer
    x = 64,895.82

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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.