Home / 86,036.40-118,710.84-48,308.16

Finding the Fourth Proportional to 86,036.40, 118,710.84 and 48,308.16

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Solution

The fourth proportional to 86,036.40, 118,710.84 and 48,308.16 is: 66,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,036.40 : 118,710.84 = 48,308.16 : x
  2. Step 2: Convert to fraction form
    86,036.40/118,710.84 = 48,308.16/x
  3. Step 3: Cross multiply
    86,036.40x = 118,710.84 × 48,308.16
  4. Step 4: Simplify right side
    86,036.40x = 5,734,702,252.45
  5. Step 5: Solve for x
    x = 5,734,702,252.45/86,036.40
  6. Step 6: Final answer
    x = 66,654.37

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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.