Home / 66,054.74-99,058.22-28,106.55

Finding the Fourth Proportional to 66,054.74, 99,058.22 and 28,106.55

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Solution

The fourth proportional to 66,054.74, 99,058.22 and 28,106.55 is: 42,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054.74 : 99,058.22 = 28,106.55 : x
  2. Step 2: Convert to fraction form
    66,054.74/99,058.22 = 28,106.55/x
  3. Step 3: Cross multiply
    66,054.74x = 99,058.22 × 28,106.55
  4. Step 4: Simplify right side
    66,054.74x = 2,784,184,672.81
  5. Step 5: Solve for x
    x = 2,784,184,672.81/66,054.74
  6. Step 6: Final answer
    x = 42,149.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.