Home / 84,916.72-117,185.76-53,104.08

Finding the Fourth Proportional to 84,916.72, 117,185.76 and 53,104.08

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Solution

The fourth proportional to 84,916.72, 117,185.76 and 53,104.08 is: 73,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.72 : 117,185.76 = 53,104.08 : x
  2. Step 2: Convert to fraction form
    84,916.72/117,185.76 = 53,104.08/x
  3. Step 3: Cross multiply
    84,916.72x = 117,185.76 × 53,104.08
  4. Step 4: Simplify right side
    84,916.72x = 6,223,041,973.90
  5. Step 5: Solve for x
    x = 6,223,041,973.90/84,916.72
  6. Step 6: Final answer
    x = 73,284.06

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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.