Home / 47,143.36-70,715.04-12,083.32

Finding the Fourth Proportional to 47,143.36, 70,715.04 and 12,083.32

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Solution

The fourth proportional to 47,143.36, 70,715.04 and 12,083.32 is: 18,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,143.36 : 70,715.04 = 12,083.32 : x
  2. Step 2: Convert to fraction form
    47,143.36/70,715.04 = 12,083.32/x
  3. Step 3: Cross multiply
    47,143.36x = 70,715.04 × 12,083.32
  4. Step 4: Simplify right side
    47,143.36x = 854,472,457.13
  5. Step 5: Solve for x
    x = 854,472,457.13/47,143.36
  6. Step 6: Final answer
    x = 18,124.98

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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.