Home / 48,270.20-72,405.30-46,657.40

Finding the Fourth Proportional to 48,270.20, 72,405.30 and 46,657.40

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Solution

The fourth proportional to 48,270.20, 72,405.30 and 46,657.40 is: 69,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.20 : 72,405.30 = 46,657.40 : x
  2. Step 2: Convert to fraction form
    48,270.20/72,405.30 = 46,657.40/x
  3. Step 3: Cross multiply
    48,270.20x = 72,405.30 × 46,657.40
  4. Step 4: Simplify right side
    48,270.20x = 3,378,243,044.22
  5. Step 5: Solve for x
    x = 3,378,243,044.22/48,270.20
  6. Step 6: Final answer
    x = 69,986.10

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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.