Home / 117,585.48-162,205.77-74,488.95

Finding the Fourth Proportional to 117,585.48, 162,205.77 and 74,488.95

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Solution

The fourth proportional to 117,585.48, 162,205.77 and 74,488.95 is: 102,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585.48 : 162,205.77 = 74,488.95 : x
  2. Step 2: Convert to fraction form
    117,585.48/162,205.77 = 74,488.95/x
  3. Step 3: Cross multiply
    117,585.48x = 162,205.77 × 74,488.95
  4. Step 4: Simplify right side
    117,585.48x = 12,082,537,770.58
  5. Step 5: Solve for x
    x = 12,082,537,770.58/117,585.48
  6. Step 6: Final answer
    x = 102,755.35

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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.