Home / 86,835.04-130,243.75-58,934.39

Finding the Fourth Proportional to 86,835.04, 130,243.75 and 58,934.39

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Solution

The fourth proportional to 86,835.04, 130,243.75 and 58,934.39 is: 88,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,835.04 : 130,243.75 = 58,934.39 : x
  2. Step 2: Convert to fraction form
    86,835.04/130,243.75 = 58,934.39/x
  3. Step 3: Cross multiply
    86,835.04x = 130,243.75 × 58,934.39
  4. Step 4: Simplify right side
    86,835.04x = 7,675,835,159.01
  5. Step 5: Solve for x
    x = 7,675,835,159.01/86,835.04
  6. Step 6: Final answer
    x = 88,395.60

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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.