Home / 66,309.16-91,507.81-36,095.35

Finding the Fourth Proportional to 66,309.16, 91,507.81 and 36,095.35

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Solution

The fourth proportional to 66,309.16, 91,507.81 and 36,095.35 is: 49,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.16 : 91,507.81 = 36,095.35 : x
  2. Step 2: Convert to fraction form
    66,309.16/91,507.81 = 36,095.35/x
  3. Step 3: Cross multiply
    66,309.16x = 91,507.81 × 36,095.35
  4. Step 4: Simplify right side
    66,309.16x = 3,303,006,110.68
  5. Step 5: Solve for x
    x = 3,303,006,110.68/66,309.16
  6. Step 6: Final answer
    x = 49,812.22

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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.