Home / 86,089.60-118,750.03-59,185.40

Finding the Fourth Proportional to 86,089.60, 118,750.03 and 59,185.40

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Solution

The fourth proportional to 86,089.60, 118,750.03 and 59,185.40 is: 81,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.60 : 118,750.03 = 59,185.40 : x
  2. Step 2: Convert to fraction form
    86,089.60/118,750.03 = 59,185.40/x
  3. Step 3: Cross multiply
    86,089.60x = 118,750.03 × 59,185.40
  4. Step 4: Simplify right side
    86,089.60x = 7,028,268,174.47
  5. Step 5: Solve for x
    x = 7,028,268,174.47/86,089.60
  6. Step 6: Final answer
    x = 81,638.99

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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.