Home / 51,111.67-70,533.55-28,450.30

Finding the Fourth Proportional to 51,111.67, 70,533.55 and 28,450.30

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Solution

The fourth proportional to 51,111.67, 70,533.55 and 28,450.30 is: 39,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.67 : 70,533.55 = 28,450.30 : x
  2. Step 2: Convert to fraction form
    51,111.67/70,533.55 = 28,450.30/x
  3. Step 3: Cross multiply
    51,111.67x = 70,533.55 × 28,450.30
  4. Step 4: Simplify right side
    51,111.67x = 2,006,700,657.57
  5. Step 5: Solve for x
    x = 2,006,700,657.57/51,111.67
  6. Step 6: Final answer
    x = 39,261.11

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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.