Home / 46,091.60-68,983.80-42,405.20

Finding the Fourth Proportional to 46,091.60, 68,983.80 and 42,405.20

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Solution

The fourth proportional to 46,091.60, 68,983.80 and 42,405.20 is: 63,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,091.60 : 68,983.80 = 42,405.20 : x
  2. Step 2: Convert to fraction form
    46,091.60/68,983.80 = 42,405.20/x
  3. Step 3: Cross multiply
    46,091.60x = 68,983.80 × 42,405.20
  4. Step 4: Simplify right side
    46,091.60x = 2,925,271,835.76
  5. Step 5: Solve for x
    x = 2,925,271,835.76/46,091.60
  6. Step 6: Final answer
    x = 63,466.48

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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.