Home / 44,897.20-67,345.80-30,900.40

Finding the Fourth Proportional to 44,897.20, 67,345.80 and 30,900.40

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Solution

The fourth proportional to 44,897.20, 67,345.80 and 30,900.40 is: 46,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,897.20 : 67,345.80 = 30,900.40 : x
  2. Step 2: Convert to fraction form
    44,897.20/67,345.80 = 30,900.40/x
  3. Step 3: Cross multiply
    44,897.20x = 67,345.80 × 30,900.40
  4. Step 4: Simplify right side
    44,897.20x = 2,081,012,158.32
  5. Step 5: Solve for x
    x = 2,081,012,158.32/44,897.20
  6. Step 6: Final answer
    x = 46,350.60

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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.