Home / 85,698.95-118,304.93-57,066.26

Finding the Fourth Proportional to 85,698.95, 118,304.93 and 57,066.26

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Solution

The fourth proportional to 85,698.95, 118,304.93 and 57,066.26 is: 78,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,698.95 : 118,304.93 = 57,066.26 : x
  2. Step 2: Convert to fraction form
    85,698.95/118,304.93 = 57,066.26/x
  3. Step 3: Cross multiply
    85,698.95x = 118,304.93 × 57,066.26
  4. Step 4: Simplify right side
    85,698.95x = 6,751,219,445.80
  5. Step 5: Solve for x
    x = 6,751,219,445.80/85,698.95
  6. Step 6: Final answer
    x = 78,778.33

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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.