Home / 72,890.14-100,554.03-42,656.95

Finding the Fourth Proportional to 72,890.14, 100,554.03 and 42,656.95

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Solution

The fourth proportional to 72,890.14, 100,554.03 and 42,656.95 is: 58,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,890.14 : 100,554.03 = 42,656.95 : x
  2. Step 2: Convert to fraction form
    72,890.14/100,554.03 = 42,656.95/x
  3. Step 3: Cross multiply
    72,890.14x = 100,554.03 × 42,656.95
  4. Step 4: Simplify right side
    72,890.14x = 4,289,328,230.01
  5. Step 5: Solve for x
    x = 4,289,328,230.01/72,890.14
  6. Step 6: Final answer
    x = 58,846.48

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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.