Home / 85,928.58-118,656.77-53,718.26

Finding the Fourth Proportional to 85,928.58, 118,656.77 and 53,718.26

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Solution

The fourth proportional to 85,928.58, 118,656.77 and 53,718.26 is: 74,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,928.58 : 118,656.77 = 53,718.26 : x
  2. Step 2: Convert to fraction form
    85,928.58/118,656.77 = 53,718.26/x
  3. Step 3: Cross multiply
    85,928.58x = 118,656.77 × 53,718.26
  4. Step 4: Simplify right side
    85,928.58x = 6,374,034,359.75
  5. Step 5: Solve for x
    x = 6,374,034,359.75/85,928.58
  6. Step 6: Final answer
    x = 74,178.28

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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.