Home / 93,724.48-129,291.04-63,511.36

Finding the Fourth Proportional to 93,724.48, 129,291.04 and 63,511.36

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Solution

The fourth proportional to 93,724.48, 129,291.04 and 63,511.36 is: 87,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,724.48 : 129,291.04 = 63,511.36 : x
  2. Step 2: Convert to fraction form
    93,724.48/129,291.04 = 63,511.36/x
  3. Step 3: Cross multiply
    93,724.48x = 129,291.04 × 63,511.36
  4. Step 4: Simplify right side
    93,724.48x = 8,211,449,786.21
  5. Step 5: Solve for x
    x = 8,211,449,786.21/93,724.48
  6. Step 6: Final answer
    x = 87,612.65

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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.