Home / 42,968.50-64,450.16-25,549.18

Finding the Fourth Proportional to 42,968.50, 64,450.16 and 25,549.18

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Solution

The fourth proportional to 42,968.50, 64,450.16 and 25,549.18 is: 38,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968.50 : 64,450.16 = 25,549.18 : x
  2. Step 2: Convert to fraction form
    42,968.50/64,450.16 = 25,549.18/x
  3. Step 3: Cross multiply
    42,968.50x = 64,450.16 × 25,549.18
  4. Step 4: Simplify right side
    42,968.50x = 1,646,648,738.87
  5. Step 5: Solve for x
    x = 1,646,648,738.87/42,968.50
  6. Step 6: Final answer
    x = 38,322.23

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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.