Home / 84,792.06-127,190.82-42,649.14

Finding the Fourth Proportional to 84,792.06, 127,190.82 and 42,649.14

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Solution

The fourth proportional to 84,792.06, 127,190.82 and 42,649.14 is: 63,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,792.06 : 127,190.82 = 42,649.14 : x
  2. Step 2: Convert to fraction form
    84,792.06/127,190.82 = 42,649.14/x
  3. Step 3: Cross multiply
    84,792.06x = 127,190.82 × 42,649.14
  4. Step 4: Simplify right side
    84,792.06x = 5,424,579,088.89
  5. Step 5: Solve for x
    x = 5,424,579,088.89/84,792.06
  6. Step 6: Final answer
    x = 63,975.08

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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.