Home / 88,190.04-121,704.51-47,906.10

Finding the Fourth Proportional to 88,190.04, 121,704.51 and 47,906.10

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Solution

The fourth proportional to 88,190.04, 121,704.51 and 47,906.10 is: 66,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,190.04 : 121,704.51 = 47,906.10 : x
  2. Step 2: Convert to fraction form
    88,190.04/121,704.51 = 47,906.10/x
  3. Step 3: Cross multiply
    88,190.04x = 121,704.51 × 47,906.10
  4. Step 4: Simplify right side
    88,190.04x = 5,830,388,426.51
  5. Step 5: Solve for x
    x = 5,830,388,426.51/88,190.04
  6. Step 6: Final answer
    x = 66,111.64

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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.