Home / 85,941.60-118,599.84-48,216.12

Finding the Fourth Proportional to 85,941.60, 118,599.84 and 48,216.12

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Solution

The fourth proportional to 85,941.60, 118,599.84 and 48,216.12 is: 66,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.60 : 118,599.84 = 48,216.12 : x
  2. Step 2: Convert to fraction form
    85,941.60/118,599.84 = 48,216.12/x
  3. Step 3: Cross multiply
    85,941.60x = 118,599.84 × 48,216.12
  4. Step 4: Simplify right side
    85,941.60x = 5,718,424,117.42
  5. Step 5: Solve for x
    x = 5,718,424,117.42/85,941.60
  6. Step 6: Final answer
    x = 66,538.49

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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.