Home / 74,922.60-112,383.48-30,549.18

Finding the Fourth Proportional to 74,922.60, 112,383.48 and 30,549.18

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Solution

The fourth proportional to 74,922.60, 112,383.48 and 30,549.18 is: 45,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,922.60 : 112,383.48 = 30,549.18 : x
  2. Step 2: Convert to fraction form
    74,922.60/112,383.48 = 30,549.18/x
  3. Step 3: Cross multiply
    74,922.60x = 112,383.48 × 30,549.18
  4. Step 4: Simplify right side
    74,922.60x = 3,433,223,159.55
  5. Step 5: Solve for x
    x = 3,433,223,159.55/74,922.60
  6. Step 6: Final answer
    x = 45,823.60

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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.