Home / 85,738.95-118,323.50-48,012.39

Finding the Fourth Proportional to 85,738.95, 118,323.50 and 48,012.39

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Solution

The fourth proportional to 85,738.95, 118,323.50 and 48,012.39 is: 66,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.95 : 118,323.50 = 48,012.39 : x
  2. Step 2: Convert to fraction form
    85,738.95/118,323.50 = 48,012.39/x
  3. Step 3: Cross multiply
    85,738.95x = 118,323.50 × 48,012.39
  4. Step 4: Simplify right side
    85,738.95x = 5,680,993,788.10
  5. Step 5: Solve for x
    x = 5,680,993,788.10/85,738.95
  6. Step 6: Final answer
    x = 66,259.19

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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.