Home / 74,830.40-103,279.12-44,617.58

Finding the Fourth Proportional to 74,830.40, 103,279.12 and 44,617.58

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Solution

The fourth proportional to 74,830.40, 103,279.12 and 44,617.58 is: 61,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.40 : 103,279.12 = 44,617.58 : x
  2. Step 2: Convert to fraction form
    74,830.40/103,279.12 = 44,617.58/x
  3. Step 3: Cross multiply
    74,830.40x = 103,279.12 × 44,617.58
  4. Step 4: Simplify right side
    74,830.40x = 4,608,063,770.99
  5. Step 5: Solve for x
    x = 4,608,063,770.99/74,830.40
  6. Step 6: Final answer
    x = 61,580.11

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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.