Home / 70,152.48-105,234.18-23,405.32

Finding the Fourth Proportional to 70,152.48, 105,234.18 and 23,405.32

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Solution

The fourth proportional to 70,152.48, 105,234.18 and 23,405.32 is: 35,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,152.48 : 105,234.18 = 23,405.32 : x
  2. Step 2: Convert to fraction form
    70,152.48/105,234.18 = 23,405.32/x
  3. Step 3: Cross multiply
    70,152.48x = 105,234.18 × 23,405.32
  4. Step 4: Simplify right side
    70,152.48x = 2,463,039,657.84
  5. Step 5: Solve for x
    x = 2,463,039,657.84/70,152.48
  6. Step 6: Final answer
    x = 35,109.80

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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.