Home / 93,078.86-128,451.06-52,795.35

Finding the Fourth Proportional to 93,078.86, 128,451.06 and 52,795.35

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Solution

The fourth proportional to 93,078.86, 128,451.06 and 52,795.35 is: 72,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,078.86 : 128,451.06 = 52,795.35 : x
  2. Step 2: Convert to fraction form
    93,078.86/128,451.06 = 52,795.35/x
  3. Step 3: Cross multiply
    93,078.86x = 128,451.06 × 52,795.35
  4. Step 4: Simplify right side
    93,078.86x = 6,781,618,670.57
  5. Step 5: Solve for x
    x = 6,781,618,670.57/93,078.86
  6. Step 6: Final answer
    x = 72,858.85

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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.