Home / 70,326.42-105,442.75-38,751.31

Finding the Fourth Proportional to 70,326.42, 105,442.75 and 38,751.31

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Solution

The fourth proportional to 70,326.42, 105,442.75 and 38,751.31 is: 58,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.42 : 105,442.75 = 38,751.31 : x
  2. Step 2: Convert to fraction form
    70,326.42/105,442.75 = 38,751.31/x
  3. Step 3: Cross multiply
    70,326.42x = 105,442.75 × 38,751.31
  4. Step 4: Simplify right side
    70,326.42x = 4,086,044,692.50
  5. Step 5: Solve for x
    x = 4,086,044,692.50/70,326.42
  6. Step 6: Final answer
    x = 58,101.13

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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.