Home / 43,121.16-64,681.20-15,041.16

Finding the Fourth Proportional to 43,121.16, 64,681.20 and 15,041.16

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Solution

The fourth proportional to 43,121.16, 64,681.20 and 15,041.16 is: 22,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.16 : 64,681.20 = 15,041.16 : x
  2. Step 2: Convert to fraction form
    43,121.16/64,681.20 = 15,041.16/x
  3. Step 3: Cross multiply
    43,121.16x = 64,681.20 × 15,041.16
  4. Step 4: Simplify right side
    43,121.16x = 972,880,278.19
  5. Step 5: Solve for x
    x = 972,880,278.19/43,121.16
  6. Step 6: Final answer
    x = 22,561.55

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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.