Home / 77,293.26-106,559.97-66,083.16

Finding the Fourth Proportional to 77,293.26, 106,559.97 and 66,083.16

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Solution

The fourth proportional to 77,293.26, 106,559.97 and 66,083.16 is: 91,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,293.26 : 106,559.97 = 66,083.16 : x
  2. Step 2: Convert to fraction form
    77,293.26/106,559.97 = 66,083.16/x
  3. Step 3: Cross multiply
    77,293.26x = 106,559.97 × 66,083.16
  4. Step 4: Simplify right side
    77,293.26x = 7,041,819,547.11
  5. Step 5: Solve for x
    x = 7,041,819,547.11/77,293.26
  6. Step 6: Final answer
    x = 91,105.22

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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.