Home / 70,250.04-105,360.48-25,865.28

Finding the Fourth Proportional to 70,250.04, 105,360.48 and 25,865.28

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Solution

The fourth proportional to 70,250.04, 105,360.48 and 25,865.28 is: 38,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,250.04 : 105,360.48 = 25,865.28 : x
  2. Step 2: Convert to fraction form
    70,250.04/105,360.48 = 25,865.28/x
  3. Step 3: Cross multiply
    70,250.04x = 105,360.48 × 25,865.28
  4. Step 4: Simplify right side
    70,250.04x = 2,725,178,316.13
  5. Step 5: Solve for x
    x = 2,725,178,316.13/70,250.04
  6. Step 6: Final answer
    x = 38,792.55

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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.