Home / 85,328.24-117,748.69-47,595.20

Finding the Fourth Proportional to 85,328.24, 117,748.69 and 47,595.20

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Solution

The fourth proportional to 85,328.24, 117,748.69 and 47,595.20 is: 65,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.24 : 117,748.69 = 47,595.20 : x
  2. Step 2: Convert to fraction form
    85,328.24/117,748.69 = 47,595.20/x
  3. Step 3: Cross multiply
    85,328.24x = 117,748.69 × 47,595.20
  4. Step 4: Simplify right side
    85,328.24x = 5,604,271,742.56
  5. Step 5: Solve for x
    x = 5,604,271,742.56/85,328.24
  6. Step 6: Final answer
    x = 65,678.98

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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.