Home / 78,595.36-117,530.89-58,370.30

Finding the Fourth Proportional to 78,595.36, 117,530.89 and 58,370.30

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Solution

The fourth proportional to 78,595.36, 117,530.89 and 58,370.30 is: 87,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,595.36 : 117,530.89 = 58,370.30 : x
  2. Step 2: Convert to fraction form
    78,595.36/117,530.89 = 58,370.30/x
  3. Step 3: Cross multiply
    78,595.36x = 117,530.89 × 58,370.30
  4. Step 4: Simplify right side
    78,595.36x = 6,860,314,005.17
  5. Step 5: Solve for x
    x = 6,860,314,005.17/78,595.36
  6. Step 6: Final answer
    x = 87,286.50

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1.5x scale

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.