Home / 93,316.45-128,778.63-52,481.36

Finding the Fourth Proportional to 93,316.45, 128,778.63 and 52,481.36

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Solution

The fourth proportional to 93,316.45, 128,778.63 and 52,481.36 is: 72,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316.45 : 128,778.63 = 52,481.36 : x
  2. Step 2: Convert to fraction form
    93,316.45/128,778.63 = 52,481.36/x
  3. Step 3: Cross multiply
    93,316.45x = 128,778.63 × 52,481.36
  4. Step 4: Simplify right side
    93,316.45x = 6,758,477,641.34
  5. Step 5: Solve for x
    x = 6,758,477,641.34/93,316.45
  6. Step 6: Final answer
    x = 72,425.36

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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.