Home / 65,325.18-90,122.85-42,656.94

Finding the Fourth Proportional to 65,325.18, 90,122.85 and 42,656.94

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Solution

The fourth proportional to 65,325.18, 90,122.85 and 42,656.94 is: 58,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,325.18 : 90,122.85 = 42,656.94 : x
  2. Step 2: Convert to fraction form
    65,325.18/90,122.85 = 42,656.94/x
  3. Step 3: Cross multiply
    65,325.18x = 90,122.85 × 42,656.94
  4. Step 4: Simplify right side
    65,325.18x = 3,844,365,005.08
  5. Step 5: Solve for x
    x = 3,844,365,005.08/65,325.18
  6. Step 6: Final answer
    x = 58,849.67

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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.