Home / 112,058.34-154,663.46-66,762.86

Finding the Fourth Proportional to 112,058.34, 154,663.46 and 66,762.86

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Solution

The fourth proportional to 112,058.34, 154,663.46 and 66,762.86 is: 92,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,058.34 : 154,663.46 = 66,762.86 : x
  2. Step 2: Convert to fraction form
    112,058.34/154,663.46 = 66,762.86/x
  3. Step 3: Cross multiply
    112,058.34x = 154,663.46 × 66,762.86
  4. Step 4: Simplify right side
    112,058.34x = 10,325,773,819.96
  5. Step 5: Solve for x
    x = 10,325,773,819.96/112,058.34
  6. Step 6: Final answer
    x = 92,146.41

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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.