Home / 60,143.21-90,214.40-47,006.63

Finding the Fourth Proportional to 60,143.21, 90,214.40 and 47,006.63

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Solution

The fourth proportional to 60,143.21, 90,214.40 and 47,006.63 is: 70,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.21 : 90,214.40 = 47,006.63 : x
  2. Step 2: Convert to fraction form
    60,143.21/90,214.40 = 47,006.63/x
  3. Step 3: Cross multiply
    60,143.21x = 90,214.40 × 47,006.63
  4. Step 4: Simplify right side
    60,143.21x = 4,240,674,587.92
  5. Step 5: Solve for x
    x = 4,240,674,587.92/60,143.21
  6. Step 6: Final answer
    x = 70,509.62

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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.