Home / 85,779.94-118,376.18-48,054.18

Finding the Fourth Proportional to 85,779.94, 118,376.18 and 48,054.18

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Solution

The fourth proportional to 85,779.94, 118,376.18 and 48,054.18 is: 66,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,779.94 : 118,376.18 = 48,054.18 : x
  2. Step 2: Convert to fraction form
    85,779.94/118,376.18 = 48,054.18/x
  3. Step 3: Cross multiply
    85,779.94x = 118,376.18 × 48,054.18
  4. Step 4: Simplify right side
    85,779.94x = 5,688,470,261.43
  5. Step 5: Solve for x
    x = 5,688,470,261.43/85,779.94
  6. Step 6: Final answer
    x = 66,314.69

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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.