Home / 76,328.85-105,369.98-50,877.63

Finding the Fourth Proportional to 76,328.85, 105,369.98 and 50,877.63

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Solution

The fourth proportional to 76,328.85, 105,369.98 and 50,877.63 is: 70,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328.85 : 105,369.98 = 50,877.63 : x
  2. Step 2: Convert to fraction form
    76,328.85/105,369.98 = 50,877.63/x
  3. Step 3: Cross multiply
    76,328.85x = 105,369.98 × 50,877.63
  4. Step 4: Simplify right side
    76,328.85x = 5,360,974,601.16
  5. Step 5: Solve for x
    x = 5,360,974,601.16/76,328.85
  6. Step 6: Final answer
    x = 70,235.23

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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.