Home / 89,341.75-123,290.74-49,055.16

Finding the Fourth Proportional to 89,341.75, 123,290.74 and 49,055.16

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Solution

The fourth proportional to 89,341.75, 123,290.74 and 49,055.16 is: 67,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,341.75 : 123,290.74 = 49,055.16 : x
  2. Step 2: Convert to fraction form
    89,341.75/123,290.74 = 49,055.16/x
  3. Step 3: Cross multiply
    89,341.75x = 123,290.74 × 49,055.16
  4. Step 4: Simplify right side
    89,341.75x = 6,048,046,977.22
  5. Step 5: Solve for x
    x = 6,048,046,977.22/89,341.75
  6. Step 6: Final answer
    x = 67,695.64

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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.