Home / 86,095.36-118,810.81-47,853.92

Finding the Fourth Proportional to 86,095.36, 118,810.81 and 47,853.92

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Solution

The fourth proportional to 86,095.36, 118,810.81 and 47,853.92 is: 66,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,095.36 : 118,810.81 = 47,853.92 : x
  2. Step 2: Convert to fraction form
    86,095.36/118,810.81 = 47,853.92/x
  3. Step 3: Cross multiply
    86,095.36x = 118,810.81 × 47,853.92
  4. Step 4: Simplify right side
    86,095.36x = 5,685,563,174.27
  5. Step 5: Solve for x
    x = 5,685,563,174.27/86,095.36
  6. Step 6: Final answer
    x = 66,037.98

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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.