Home / 85,533.11-118,030.94-47,290.43

Finding the Fourth Proportional to 85,533.11, 118,030.94 and 47,290.43

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Solution

The fourth proportional to 85,533.11, 118,030.94 and 47,290.43 is: 65,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.11 : 118,030.94 = 47,290.43 : x
  2. Step 2: Convert to fraction form
    85,533.11/118,030.94 = 47,290.43/x
  3. Step 3: Cross multiply
    85,533.11x = 118,030.94 × 47,290.43
  4. Step 4: Simplify right side
    85,533.11x = 5,581,733,079.30
  5. Step 5: Solve for x
    x = 5,581,733,079.30/85,533.11
  6. Step 6: Final answer
    x = 65,258.16

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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.