Home / 75,429.58-104,085.66-45,209.30

Finding the Fourth Proportional to 75,429.58, 104,085.66 and 45,209.30

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Solution

The fourth proportional to 75,429.58, 104,085.66 and 45,209.30 is: 62,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.58 : 104,085.66 = 45,209.30 : x
  2. Step 2: Convert to fraction form
    75,429.58/104,085.66 = 45,209.30/x
  3. Step 3: Cross multiply
    75,429.58x = 104,085.66 × 45,209.30
  4. Step 4: Simplify right side
    75,429.58x = 4,705,639,828.64
  5. Step 5: Solve for x
    x = 4,705,639,828.64/75,429.58
  6. Step 6: Final answer
    x = 62,384.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.