Home / 50,811.06-70,129.08-29,314.69

Finding the Fourth Proportional to 50,811.06, 70,129.08 and 29,314.69

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Solution

The fourth proportional to 50,811.06, 70,129.08 and 29,314.69 is: 40,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.06 : 70,129.08 = 29,314.69 : x
  2. Step 2: Convert to fraction form
    50,811.06/70,129.08 = 29,314.69/x
  3. Step 3: Cross multiply
    50,811.06x = 70,129.08 × 29,314.69
  4. Step 4: Simplify right side
    50,811.06x = 2,055,812,541.79
  5. Step 5: Solve for x
    x = 2,055,812,541.79/50,811.06
  6. Step 6: Final answer
    x = 40,459.94

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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.