Home / 66,061.21-91,240.19-43,501.06

Finding the Fourth Proportional to 66,061.21, 91,240.19 and 43,501.06

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Solution

The fourth proportional to 66,061.21, 91,240.19 and 43,501.06 is: 60,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,061.21 : 91,240.19 = 43,501.06 : x
  2. Step 2: Convert to fraction form
    66,061.21/91,240.19 = 43,501.06/x
  3. Step 3: Cross multiply
    66,061.21x = 91,240.19 × 43,501.06
  4. Step 4: Simplify right side
    66,061.21x = 3,969,044,762.10
  5. Step 5: Solve for x
    x = 3,969,044,762.10/66,061.21
  6. Step 6: Final answer
    x = 60,081.32

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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.