Home / 91,203.95-125,859-50,916.57

Finding the Fourth Proportional to 91,203.95, 125,859 and 50,916.57

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Solution

The fourth proportional to 91,203.95, 125,859 and 50,916.57 is: 70,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,203.95 : 125,859 = 50,916.57 : x
  2. Step 2: Convert to fraction form
    91,203.95/125,859 = 50,916.57/x
  3. Step 3: Cross multiply
    91,203.95x = 125,859 × 50,916.57
  4. Step 4: Simplify right side
    91,203.95x = 6,408,308,583.63
  5. Step 5: Solve for x
    x = 6,408,308,583.63/91,203.95
  6. Step 6: Final answer
    x = 70,263.50

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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.