Home / 117,461.54-162,124.74-69,742.42

Finding the Fourth Proportional to 117,461.54, 162,124.74 and 69,742.42

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Solution

The fourth proportional to 117,461.54, 162,124.74 and 69,742.42 is: 96,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,461.54 : 162,124.74 = 69,742.42 : x
  2. Step 2: Convert to fraction form
    117,461.54/162,124.74 = 69,742.42/x
  3. Step 3: Cross multiply
    117,461.54x = 162,124.74 × 69,742.42
  4. Step 4: Simplify right side
    117,461.54x = 11,306,971,304.16
  5. Step 5: Solve for x
    x = 11,306,971,304.16/117,461.54
  6. Step 6: Final answer
    x = 96,261.05

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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.