Home / 64,266.80-96,400.20-43,271.60

Finding the Fourth Proportional to 64,266.80, 96,400.20 and 43,271.60

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Solution

The fourth proportional to 64,266.80, 96,400.20 and 43,271.60 is: 64,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.80 : 96,400.20 = 43,271.60 : x
  2. Step 2: Convert to fraction form
    64,266.80/96,400.20 = 43,271.60/x
  3. Step 3: Cross multiply
    64,266.80x = 96,400.20 × 43,271.60
  4. Step 4: Simplify right side
    64,266.80x = 4,171,390,894.32
  5. Step 5: Solve for x
    x = 4,171,390,894.32/64,266.80
  6. Step 6: Final answer
    x = 64,907.40

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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.