Home / 86,954.80-130,460.19-39,586.84

Finding the Fourth Proportional to 86,954.80, 130,460.19 and 39,586.84

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Solution

The fourth proportional to 86,954.80, 130,460.19 and 39,586.84 is: 59,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,954.80 : 130,460.19 = 39,586.84 : x
  2. Step 2: Convert to fraction form
    86,954.80/130,460.19 = 39,586.84/x
  3. Step 3: Cross multiply
    86,954.80x = 130,460.19 × 39,586.84
  4. Step 4: Simplify right side
    86,954.80x = 5,164,506,667.90
  5. Step 5: Solve for x
    x = 5,164,506,667.90/86,954.80
  6. Step 6: Final answer
    x = 59,393.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.