Home / 50,719.08-69,988.56-28,058.34

Finding the Fourth Proportional to 50,719.08, 69,988.56 and 28,058.34

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Solution

The fourth proportional to 50,719.08, 69,988.56 and 28,058.34 is: 38,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.08 : 69,988.56 = 28,058.34 : x
  2. Step 2: Convert to fraction form
    50,719.08/69,988.56 = 28,058.34/x
  3. Step 3: Cross multiply
    50,719.08x = 69,988.56 × 28,058.34
  4. Step 4: Simplify right side
    50,719.08x = 1,963,762,812.59
  5. Step 5: Solve for x
    x = 1,963,762,812.59/50,719.08
  6. Step 6: Final answer
    x = 38,718.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.