Home / 93,390.03-128,875.41-52,556.43

Finding the Fourth Proportional to 93,390.03, 128,875.41 and 52,556.43

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Solution

The fourth proportional to 93,390.03, 128,875.41 and 52,556.43 is: 72,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,390.03 : 128,875.41 = 52,556.43 : x
  2. Step 2: Convert to fraction form
    93,390.03/128,875.41 = 52,556.43/x
  3. Step 3: Cross multiply
    93,390.03x = 128,875.41 × 52,556.43
  4. Step 4: Simplify right side
    93,390.03x = 6,773,231,464.39
  5. Step 5: Solve for x
    x = 6,773,231,464.39/93,390.03
  6. Step 6: Final answer
    x = 72,526.28

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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.