Home / 93,455.22-128,968.16-51,013.74

Finding the Fourth Proportional to 93,455.22, 128,968.16 and 51,013.74

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Solution

The fourth proportional to 93,455.22, 128,968.16 and 51,013.74 is: 70,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.22 : 128,968.16 = 51,013.74 : x
  2. Step 2: Convert to fraction form
    93,455.22/128,968.16 = 51,013.74/x
  3. Step 3: Cross multiply
    93,455.22x = 128,968.16 × 51,013.74
  4. Step 4: Simplify right side
    93,455.22x = 6,579,148,182.52
  5. Step 5: Solve for x
    x = 6,579,148,182.52/93,455.22
  6. Step 6: Final answer
    x = 70,398.94

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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.