Home / 53,176.25-73,382.91-28,977.17

Finding the Fourth Proportional to 53,176.25, 73,382.91 and 28,977.17

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Solution

The fourth proportional to 53,176.25, 73,382.91 and 28,977.17 is: 39,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.25 : 73,382.91 = 28,977.17 : x
  2. Step 2: Convert to fraction form
    53,176.25/73,382.91 = 28,977.17/x
  3. Step 3: Cross multiply
    53,176.25x = 73,382.91 × 28,977.17
  4. Step 4: Simplify right side
    53,176.25x = 2,126,429,058.16
  5. Step 5: Solve for x
    x = 2,126,429,058.16/53,176.25
  6. Step 6: Final answer
    x = 39,988.32

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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.