Home / 122,527.55-169,058.32-71,511.12

Finding the Fourth Proportional to 122,527.55, 169,058.32 and 71,511.12

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Solution

The fourth proportional to 122,527.55, 169,058.32 and 71,511.12 is: 98,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,527.55 : 169,058.32 = 71,511.12 : x
  2. Step 2: Convert to fraction form
    122,527.55/169,058.32 = 71,511.12/x
  3. Step 3: Cross multiply
    122,527.55x = 169,058.32 × 71,511.12
  4. Step 4: Simplify right side
    122,527.55x = 12,089,549,629.74
  5. Step 5: Solve for x
    x = 12,089,549,629.74/122,527.55
  6. Step 6: Final answer
    x = 98,668.01

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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.