Home / 53,112.32-79,636.96-23,515.20

Finding the Fourth Proportional to 53,112.32, 79,636.96 and 23,515.20

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Solution

The fourth proportional to 53,112.32, 79,636.96 and 23,515.20 is: 35,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.32 : 79,636.96 = 23,515.20 : x
  2. Step 2: Convert to fraction form
    53,112.32/79,636.96 = 23,515.20/x
  3. Step 3: Cross multiply
    53,112.32x = 79,636.96 × 23,515.20
  4. Step 4: Simplify right side
    53,112.32x = 1,872,679,041.79
  5. Step 5: Solve for x
    x = 1,872,679,041.79/53,112.32
  6. Step 6: Final answer
    x = 35,258.84

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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.