Home / 91,071.98-125,680.15-50,237.67

Finding the Fourth Proportional to 91,071.98, 125,680.15 and 50,237.67

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Solution

The fourth proportional to 91,071.98, 125,680.15 and 50,237.67 is: 69,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.98 : 125,680.15 = 50,237.67 : x
  2. Step 2: Convert to fraction form
    91,071.98/125,680.15 = 50,237.67/x
  3. Step 3: Cross multiply
    91,071.98x = 125,680.15 × 50,237.67
  4. Step 4: Simplify right side
    91,071.98x = 6,313,877,587.10
  5. Step 5: Solve for x
    x = 6,313,877,587.10/91,071.98
  6. Step 6: Final answer
    x = 69,328.43

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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.