Home / 88,777.32-122,516.34-51,051.57

Finding the Fourth Proportional to 88,777.32, 122,516.34 and 51,051.57

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Solution

The fourth proportional to 88,777.32, 122,516.34 and 51,051.57 is: 70,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,777.32 : 122,516.34 = 51,051.57 : x
  2. Step 2: Convert to fraction form
    88,777.32/122,516.34 = 51,051.57/x
  3. Step 3: Cross multiply
    88,777.32x = 122,516.34 × 51,051.57
  4. Step 4: Simplify right side
    88,777.32x = 6,254,651,507.65
  5. Step 5: Solve for x
    x = 6,254,651,507.65/88,777.32
  6. Step 6: Final answer
    x = 70,453.26

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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.