Home / 74,893.60-112,373.07-39,792.16

Finding the Fourth Proportional to 74,893.60, 112,373.07 and 39,792.16

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Solution

The fourth proportional to 74,893.60, 112,373.07 and 39,792.16 is: 59,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893.60 : 112,373.07 = 39,792.16 : x
  2. Step 2: Convert to fraction form
    74,893.60/112,373.07 = 39,792.16/x
  3. Step 3: Cross multiply
    74,893.60x = 112,373.07 × 39,792.16
  4. Step 4: Simplify right side
    74,893.60x = 4,471,567,181.13
  5. Step 5: Solve for x
    x = 4,471,567,181.13/74,893.60
  6. Step 6: Final answer
    x = 59,705.60

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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.