Home / 57,416.13-79,272.93-51,347.55

Finding the Fourth Proportional to 57,416.13, 79,272.93 and 51,347.55

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Solution

The fourth proportional to 57,416.13, 79,272.93 and 51,347.55 is: 70,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,416.13 : 79,272.93 = 51,347.55 : x
  2. Step 2: Convert to fraction form
    57,416.13/79,272.93 = 51,347.55/x
  3. Step 3: Cross multiply
    57,416.13x = 79,272.93 × 51,347.55
  4. Step 4: Simplify right side
    57,416.13x = 4,070,470,736.82
  5. Step 5: Solve for x
    x = 4,070,470,736.82/57,416.13
  6. Step 6: Final answer
    x = 70,894.20

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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.