Home / 51,123.04-70,549.08-28,462

Finding the Fourth Proportional to 51,123.04, 70,549.08 and 28,462

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Solution

The fourth proportional to 51,123.04, 70,549.08 and 28,462 is: 39,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,123.04 : 70,549.08 = 28,462 : x
  2. Step 2: Convert to fraction form
    51,123.04/70,549.08 = 28,462/x
  3. Step 3: Cross multiply
    51,123.04x = 70,549.08 × 28,462
  4. Step 4: Simplify right side
    51,123.04x = 2,007,967,914.96
  5. Step 5: Solve for x
    x = 2,007,967,914.96/51,123.04
  6. Step 6: Final answer
    x = 39,277.16

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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.