Home / 51,079.21-70,492.48-28,423.25

Finding the Fourth Proportional to 51,079.21, 70,492.48 and 28,423.25

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Solution

The fourth proportional to 51,079.21, 70,492.48 and 28,423.25 is: 39,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.21 : 70,492.48 = 28,423.25 : x
  2. Step 2: Convert to fraction form
    51,079.21/70,492.48 = 28,423.25/x
  3. Step 3: Cross multiply
    51,079.21x = 70,492.48 × 28,423.25
  4. Step 4: Simplify right side
    51,079.21x = 2,003,625,619.51
  5. Step 5: Solve for x
    x = 2,003,625,619.51/51,079.21
  6. Step 6: Final answer
    x = 39,225.86

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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.