Home / 51,105.85-70,525.54-28,444.51

Finding the Fourth Proportional to 51,105.85, 70,525.54 and 28,444.51

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Solution

The fourth proportional to 51,105.85, 70,525.54 and 28,444.51 is: 39,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.85 : 70,525.54 = 28,444.51 : x
  2. Step 2: Convert to fraction form
    51,105.85/70,525.54 = 28,444.51/x
  3. Step 3: Cross multiply
    51,105.85x = 70,525.54 × 28,444.51
  4. Step 4: Simplify right side
    51,105.85x = 2,006,064,427.79
  5. Step 5: Solve for x
    x = 2,006,064,427.79/51,105.85
  6. Step 6: Final answer
    x = 39,253.13

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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.