Home / 78,504.08-108,261.16-60,570.68

Finding the Fourth Proportional to 78,504.08, 108,261.16 and 60,570.68

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Solution

The fourth proportional to 78,504.08, 108,261.16 and 60,570.68 is: 83,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,504.08 : 108,261.16 = 60,570.68 : x
  2. Step 2: Convert to fraction form
    78,504.08/108,261.16 = 60,570.68/x
  3. Step 3: Cross multiply
    78,504.08x = 108,261.16 × 60,570.68
  4. Step 4: Simplify right side
    78,504.08x = 6,557,452,078.79
  5. Step 5: Solve for x
    x = 6,557,452,078.79/78,504.08
  6. Step 6: Final answer
    x = 83,530.08

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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.