Home / 83,148.64-124,722.96-30,535.36

Finding the Fourth Proportional to 83,148.64, 124,722.96 and 30,535.36

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Solution

The fourth proportional to 83,148.64, 124,722.96 and 30,535.36 is: 45,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,148.64 : 124,722.96 = 30,535.36 : x
  2. Step 2: Convert to fraction form
    83,148.64/124,722.96 = 30,535.36/x
  3. Step 3: Cross multiply
    83,148.64x = 124,722.96 × 30,535.36
  4. Step 4: Simplify right side
    83,148.64x = 3,808,460,483.87
  5. Step 5: Solve for x
    x = 3,808,460,483.87/83,148.64
  6. Step 6: Final answer
    x = 45,803.04

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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.