Home / 93,348.51-128,815.86-53,056.68

Finding the Fourth Proportional to 93,348.51, 128,815.86 and 53,056.68

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Solution

The fourth proportional to 93,348.51, 128,815.86 and 53,056.68 is: 73,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,348.51 : 128,815.86 = 53,056.68 : x
  2. Step 2: Convert to fraction form
    93,348.51/128,815.86 = 53,056.68/x
  3. Step 3: Cross multiply
    93,348.51x = 128,815.86 × 53,056.68
  4. Step 4: Simplify right side
    93,348.51x = 6,834,541,862.94
  5. Step 5: Solve for x
    x = 6,834,541,862.94/93,348.51
  6. Step 6: Final answer
    x = 73,215.33

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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.