Home / 58,141.14-87,212.06-20,702.67

Finding the Fourth Proportional to 58,141.14, 87,212.06 and 20,702.67

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Solution

The fourth proportional to 58,141.14, 87,212.06 and 20,702.67 is: 31,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,141.14 : 87,212.06 = 20,702.67 : x
  2. Step 2: Convert to fraction form
    58,141.14/87,212.06 = 20,702.67/x
  3. Step 3: Cross multiply
    58,141.14x = 87,212.06 × 20,702.67
  4. Step 4: Simplify right side
    58,141.14x = 1,805,522,394.69
  5. Step 5: Solve for x
    x = 1,805,522,394.69/58,141.14
  6. Step 6: Final answer
    x = 31,054.13

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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.