Home / 47,200.61-65,136.86-25,979.72

Finding the Fourth Proportional to 47,200.61, 65,136.86 and 25,979.72

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Solution

The fourth proportional to 47,200.61, 65,136.86 and 25,979.72 is: 35,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.61 : 65,136.86 = 25,979.72 : x
  2. Step 2: Convert to fraction form
    47,200.61/65,136.86 = 25,979.72/x
  3. Step 3: Cross multiply
    47,200.61x = 65,136.86 × 25,979.72
  4. Step 4: Simplify right side
    47,200.61x = 1,692,237,384.48
  5. Step 5: Solve for x
    x = 1,692,237,384.48/47,200.61
  6. Step 6: Final answer
    x = 35,852.02

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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.