Home / 75,018.53-103,538.30-43,205.84

Finding the Fourth Proportional to 75,018.53, 103,538.30 and 43,205.84

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Solution

The fourth proportional to 75,018.53, 103,538.30 and 43,205.84 is: 59,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.53 : 103,538.30 = 43,205.84 : x
  2. Step 2: Convert to fraction form
    75,018.53/103,538.30 = 43,205.84/x
  3. Step 3: Cross multiply
    75,018.53x = 103,538.30 × 43,205.84
  4. Step 4: Simplify right side
    75,018.53x = 4,473,459,266.49
  5. Step 5: Solve for x
    x = 4,473,459,266.49/75,018.53
  6. Step 6: Final answer
    x = 59,631.39

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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.