Home / 88,315.20-132,386.40-46,216.80

Finding the Fourth Proportional to 88,315.20, 132,386.40 and 46,216.80

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Solution

The fourth proportional to 88,315.20, 132,386.40 and 46,216.80 is: 69,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.20 : 132,386.40 = 46,216.80 : x
  2. Step 2: Convert to fraction form
    88,315.20/132,386.40 = 46,216.80/x
  3. Step 3: Cross multiply
    88,315.20x = 132,386.40 × 46,216.80
  4. Step 4: Simplify right side
    88,315.20x = 6,118,475,771.52
  5. Step 5: Solve for x
    x = 6,118,475,771.52/88,315.20
  6. Step 6: Final answer
    x = 69,279.99

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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.