Home / 85,533.90-118,036.74-47,808.14

Finding the Fourth Proportional to 85,533.90, 118,036.74 and 47,808.14

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Solution

The fourth proportional to 85,533.90, 118,036.74 and 47,808.14 is: 65,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.90 : 118,036.74 = 47,808.14 : x
  2. Step 2: Convert to fraction form
    85,533.90/118,036.74 = 47,808.14/x
  3. Step 3: Cross multiply
    85,533.90x = 118,036.74 × 47,808.14
  4. Step 4: Simplify right side
    85,533.90x = 5,643,116,991.06
  5. Step 5: Solve for x
    x = 5,643,116,991.06/85,533.90
  6. Step 6: Final answer
    x = 65,975.21

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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.