Home / 60,725.60-91,039.80-25,636.40

Finding the Fourth Proportional to 60,725.60, 91,039.80 and 25,636.40

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Solution

The fourth proportional to 60,725.60, 91,039.80 and 25,636.40 is: 38,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,725.60 : 91,039.80 = 25,636.40 : x
  2. Step 2: Convert to fraction form
    60,725.60/91,039.80 = 25,636.40/x
  3. Step 3: Cross multiply
    60,725.60x = 91,039.80 × 25,636.40
  4. Step 4: Simplify right side
    60,725.60x = 2,333,932,728.72
  5. Step 5: Solve for x
    x = 2,333,932,728.72/60,725.60
  6. Step 6: Final answer
    x = 38,434.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.