Home / 53,008.49-73,152.28-28,809.45

Finding the Fourth Proportional to 53,008.49, 73,152.28 and 28,809.45

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Solution

The fourth proportional to 53,008.49, 73,152.28 and 28,809.45 is: 39,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.49 : 73,152.28 = 28,809.45 : x
  2. Step 2: Convert to fraction form
    53,008.49/73,152.28 = 28,809.45/x
  3. Step 3: Cross multiply
    53,008.49x = 73,152.28 × 28,809.45
  4. Step 4: Simplify right side
    53,008.49x = 2,107,476,953.05
  5. Step 5: Solve for x
    x = 2,107,476,953.05/53,008.49
  6. Step 6: Final answer
    x = 39,757.35

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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.