Home / 70,136.46-105,210.18-23,389.29

Finding the Fourth Proportional to 70,136.46, 105,210.18 and 23,389.29

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Solution

The fourth proportional to 70,136.46, 105,210.18 and 23,389.29 is: 35,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136.46 : 105,210.18 = 23,389.29 : x
  2. Step 2: Convert to fraction form
    70,136.46/105,210.18 = 23,389.29/x
  3. Step 3: Cross multiply
    70,136.46x = 105,210.18 × 23,389.29
  4. Step 4: Simplify right side
    70,136.46x = 2,460,791,410.97
  5. Step 5: Solve for x
    x = 2,460,791,410.97/70,136.46
  6. Step 6: Final answer
    x = 35,085.77

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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.