Home / 75,684.06-113,460.09-31,283.10

Finding the Fourth Proportional to 75,684.06, 113,460.09 and 31,283.10

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Solution

The fourth proportional to 75,684.06, 113,460.09 and 31,283.10 is: 46,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.06 : 113,460.09 = 31,283.10 : x
  2. Step 2: Convert to fraction form
    75,684.06/113,460.09 = 31,283.10/x
  3. Step 3: Cross multiply
    75,684.06x = 113,460.09 × 31,283.10
  4. Step 4: Simplify right side
    75,684.06x = 3,549,383,341.48
  5. Step 5: Solve for x
    x = 3,549,383,341.48/75,684.06
  6. Step 6: Final answer
    x = 46,897.37

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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.