Home / 93,855.36-129,521.52-51,415.68

Finding the Fourth Proportional to 93,855.36, 129,521.52 and 51,415.68

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Solution

The fourth proportional to 93,855.36, 129,521.52 and 51,415.68 is: 70,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,855.36 : 129,521.52 = 51,415.68 : x
  2. Step 2: Convert to fraction form
    93,855.36/129,521.52 = 51,415.68/x
  3. Step 3: Cross multiply
    93,855.36x = 129,521.52 × 51,415.68
  4. Step 4: Simplify right side
    93,855.36x = 6,659,437,025.43
  5. Step 5: Solve for x
    x = 6,659,437,025.43/93,855.36
  6. Step 6: Final answer
    x = 70,954.25

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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.