Home / 46,990.05-70,477.75-13,706.63

Finding the Fourth Proportional to 46,990.05, 70,477.75 and 13,706.63

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Solution

The fourth proportional to 46,990.05, 70,477.75 and 13,706.63 is: 20,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,990.05 : 70,477.75 = 13,706.63 : x
  2. Step 2: Convert to fraction form
    46,990.05/70,477.75 = 13,706.63/x
  3. Step 3: Cross multiply
    46,990.05x = 70,477.75 × 13,706.63
  4. Step 4: Simplify right side
    46,990.05x = 966,012,442.48
  5. Step 5: Solve for x
    x = 966,012,442.48/46,990.05
  6. Step 6: Final answer
    x = 20,557.81

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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.