Home / 84,795.88-127,194.36-29,378.92

Finding the Fourth Proportional to 84,795.88, 127,194.36 and 29,378.92

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Solution

The fourth proportional to 84,795.88, 127,194.36 and 29,378.92 is: 44,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,795.88 : 127,194.36 = 29,378.92 : x
  2. Step 2: Convert to fraction form
    84,795.88/127,194.36 = 29,378.92/x
  3. Step 3: Cross multiply
    84,795.88x = 127,194.36 × 29,378.92
  4. Step 4: Simplify right side
    84,795.88x = 3,736,832,926.89
  5. Step 5: Solve for x
    x = 3,736,832,926.89/84,795.88
  6. Step 6: Final answer
    x = 44,068.57

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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.