Home / 70,939.22-106,423.40-29,386.22

Finding the Fourth Proportional to 70,939.22, 106,423.40 and 29,386.22

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Solution

The fourth proportional to 70,939.22, 106,423.40 and 29,386.22 is: 44,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.22 : 106,423.40 = 29,386.22 : x
  2. Step 2: Convert to fraction form
    70,939.22/106,423.40 = 29,386.22/x
  3. Step 3: Cross multiply
    70,939.22x = 106,423.40 × 29,386.22
  4. Step 4: Simplify right side
    70,939.22x = 3,127,380,986.90
  5. Step 5: Solve for x
    x = 3,127,380,986.90/70,939.22
  6. Step 6: Final answer
    x = 44,085.36

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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.