Home / 93,022.89-128,368.80-52,740.33

Finding the Fourth Proportional to 93,022.89, 128,368.80 and 52,740.33

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Solution

The fourth proportional to 93,022.89, 128,368.80 and 52,740.33 is: 72,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,022.89 : 128,368.80 = 52,740.33 : x
  2. Step 2: Convert to fraction form
    93,022.89/128,368.80 = 52,740.33/x
  3. Step 3: Cross multiply
    93,022.89x = 128,368.80 × 52,740.33
  4. Step 4: Simplify right side
    93,022.89x = 6,770,212,873.70
  5. Step 5: Solve for x
    x = 6,770,212,873.70/93,022.89
  6. Step 6: Final answer
    x = 72,780.07

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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.