Home / 74,290.30-111,434.23-29,915.93

Finding the Fourth Proportional to 74,290.30, 111,434.23 and 29,915.93

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Solution

The fourth proportional to 74,290.30, 111,434.23 and 29,915.93 is: 44,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,290.30 : 111,434.23 = 29,915.93 : x
  2. Step 2: Convert to fraction form
    74,290.30/111,434.23 = 29,915.93/x
  3. Step 3: Cross multiply
    74,290.30x = 111,434.23 × 29,915.93
  4. Step 4: Simplify right side
    74,290.30x = 3,333,658,624.28
  5. Step 5: Solve for x
    x = 3,333,658,624.28/74,290.30
  6. Step 6: Final answer
    x = 44,873.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.