Home / 85,725.65-118,297.29-47,482.62

Finding the Fourth Proportional to 85,725.65, 118,297.29 and 47,482.62

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Solution

The fourth proportional to 85,725.65, 118,297.29 and 47,482.62 is: 65,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,725.65 : 118,297.29 = 47,482.62 : x
  2. Step 2: Convert to fraction form
    85,725.65/118,297.29 = 47,482.62/x
  3. Step 3: Cross multiply
    85,725.65x = 118,297.29 × 47,482.62
  4. Step 4: Simplify right side
    85,725.65x = 5,617,065,268.10
  5. Step 5: Solve for x
    x = 5,617,065,268.10/85,725.65
  6. Step 6: Final answer
    x = 65,523.74

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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.