Home / 105,122.56-145,071.36-59,799.04

Finding the Fourth Proportional to 105,122.56, 145,071.36 and 59,799.04

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Solution

The fourth proportional to 105,122.56, 145,071.36 and 59,799.04 is: 82,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,122.56 : 145,071.36 = 59,799.04 : x
  2. Step 2: Convert to fraction form
    105,122.56/145,071.36 = 59,799.04/x
  3. Step 3: Cross multiply
    105,122.56x = 145,071.36 × 59,799.04
  4. Step 4: Simplify right side
    105,122.56x = 8,675,128,059.49
  5. Step 5: Solve for x
    x = 8,675,128,059.49/105,122.56
  6. Step 6: Final answer
    x = 82,523.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.