Home / 93,553.12-129,062.16-55,805.50

Finding the Fourth Proportional to 93,553.12, 129,062.16 and 55,805.50

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Solution

The fourth proportional to 93,553.12, 129,062.16 and 55,805.50 is: 76,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,553.12 : 129,062.16 = 55,805.50 : x
  2. Step 2: Convert to fraction form
    93,553.12/129,062.16 = 55,805.50/x
  3. Step 3: Cross multiply
    93,553.12x = 129,062.16 × 55,805.50
  4. Step 4: Simplify right side
    93,553.12x = 7,202,378,369.88
  5. Step 5: Solve for x
    x = 7,202,378,369.88/93,553.12
  6. Step 6: Final answer
    x = 76,987.05

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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.