Home / 93,386.49-128,876.96-53,103.90

Finding the Fourth Proportional to 93,386.49, 128,876.96 and 53,103.90

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Solution

The fourth proportional to 93,386.49, 128,876.96 and 53,103.90 is: 73,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,386.49 : 128,876.96 = 53,103.90 : x
  2. Step 2: Convert to fraction form
    93,386.49/128,876.96 = 53,103.90/x
  3. Step 3: Cross multiply
    93,386.49x = 128,876.96 × 53,103.90
  4. Step 4: Simplify right side
    93,386.49x = 6,843,869,513.48
  5. Step 5: Solve for x
    x = 6,843,869,513.48/93,386.49
  6. Step 6: Final answer
    x = 73,285.44

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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.