Home / 93,268.08-128,705.40-52,976.64

Finding the Fourth Proportional to 93,268.08, 128,705.40 and 52,976.64

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Solution

The fourth proportional to 93,268.08, 128,705.40 and 52,976.64 is: 73,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,268.08 : 128,705.40 = 52,976.64 : x
  2. Step 2: Convert to fraction form
    93,268.08/128,705.40 = 52,976.64/x
  3. Step 3: Cross multiply
    93,268.08x = 128,705.40 × 52,976.64
  4. Step 4: Simplify right side
    93,268.08x = 6,818,379,641.86
  5. Step 5: Solve for x
    x = 6,818,379,641.86/93,268.08
  6. Step 6: Final answer
    x = 73,105.18

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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.