Home / 93,004.83-128,408.48-71,456.19

Finding the Fourth Proportional to 93,004.83, 128,408.48 and 71,456.19

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Solution

The fourth proportional to 93,004.83, 128,408.48 and 71,456.19 is: 98,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004.83 : 128,408.48 = 71,456.19 : x
  2. Step 2: Convert to fraction form
    93,004.83/128,408.48 = 71,456.19/x
  3. Step 3: Cross multiply
    93,004.83x = 128,408.48 × 71,456.19
  4. Step 4: Simplify right side
    93,004.83x = 9,175,580,387.21
  5. Step 5: Solve for x
    x = 9,175,580,387.21/93,004.83
  6. Step 6: Final answer
    x = 98,657.03

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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.