Home / 93,005.80-128,347.37-50,564.33

Finding the Fourth Proportional to 93,005.80, 128,347.37 and 50,564.33

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Solution

The fourth proportional to 93,005.80, 128,347.37 and 50,564.33 is: 69,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.80 : 128,347.37 = 50,564.33 : x
  2. Step 2: Convert to fraction form
    93,005.80/128,347.37 = 50,564.33/x
  3. Step 3: Cross multiply
    93,005.80x = 128,347.37 × 50,564.33
  4. Step 4: Simplify right side
    93,005.80x = 6,489,798,547.67
  5. Step 5: Solve for x
    x = 6,489,798,547.67/93,005.80
  6. Step 6: Final answer
    x = 69,778.43

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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.