Home / 66,555.06-91,866.32-41,069.22

Finding the Fourth Proportional to 66,555.06, 91,866.32 and 41,069.22

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Solution

The fourth proportional to 66,555.06, 91,866.32 and 41,069.22 is: 56,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.06 : 91,866.32 = 41,069.22 : x
  2. Step 2: Convert to fraction form
    66,555.06/91,866.32 = 41,069.22/x
  3. Step 3: Cross multiply
    66,555.06x = 91,866.32 × 41,069.22
  4. Step 4: Simplify right side
    66,555.06x = 3,772,878,106.67
  5. Step 5: Solve for x
    x = 3,772,878,106.67/66,555.06
  6. Step 6: Final answer
    x = 56,688.07

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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.