Home / 70,360.04-105,569.38-28,270.04

Finding the Fourth Proportional to 70,360.04, 105,569.38 and 28,270.04

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Solution

The fourth proportional to 70,360.04, 105,569.38 and 28,270.04 is: 42,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.04 : 105,569.38 = 28,270.04 : x
  2. Step 2: Convert to fraction form
    70,360.04/105,569.38 = 28,270.04/x
  3. Step 3: Cross multiply
    70,360.04x = 105,569.38 × 28,270.04
  4. Step 4: Simplify right side
    70,360.04x = 2,984,450,240.76
  5. Step 5: Solve for x
    x = 2,984,450,240.76/70,360.04
  6. Step 6: Final answer
    x = 42,416.83

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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.