Home / 50,011.04-69,045.18-31,173.68

Finding the Fourth Proportional to 50,011.04, 69,045.18 and 31,173.68

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Solution

The fourth proportional to 50,011.04, 69,045.18 and 31,173.68 is: 43,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,011.04 : 69,045.18 = 31,173.68 : x
  2. Step 2: Convert to fraction form
    50,011.04/69,045.18 = 31,173.68/x
  3. Step 3: Cross multiply
    50,011.04x = 69,045.18 × 31,173.68
  4. Step 4: Simplify right side
    50,011.04x = 2,152,392,346.86
  5. Step 5: Solve for x
    x = 2,152,392,346.86/50,011.04
  6. Step 6: Final answer
    x = 43,038.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.