Home / 93,820.30-129,419.48-55,542.50

Finding the Fourth Proportional to 93,820.30, 129,419.48 and 55,542.50

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Solution

The fourth proportional to 93,820.30, 129,419.48 and 55,542.50 is: 76,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,820.30 : 129,419.48 = 55,542.50 : x
  2. Step 2: Convert to fraction form
    93,820.30/129,419.48 = 55,542.50/x
  3. Step 3: Cross multiply
    93,820.30x = 129,419.48 × 55,542.50
  4. Step 4: Simplify right side
    93,820.30x = 7,188,281,467.90
  5. Step 5: Solve for x
    x = 7,188,281,467.90/93,820.30
  6. Step 6: Final answer
    x = 76,617.55

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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.