Home / 84,762.30-127,143.42-66,056.33

Finding the Fourth Proportional to 84,762.30, 127,143.42 and 66,056.33

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Solution

The fourth proportional to 84,762.30, 127,143.42 and 66,056.33 is: 99,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.30 : 127,143.42 = 66,056.33 : x
  2. Step 2: Convert to fraction form
    84,762.30/127,143.42 = 66,056.33/x
  3. Step 3: Cross multiply
    84,762.30x = 127,143.42 × 66,056.33
  4. Step 4: Simplify right side
    84,762.30x = 8,398,627,435.38
  5. Step 5: Solve for x
    x = 8,398,627,435.38/84,762.30
  6. Step 6: Final answer
    x = 99,084.47

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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.