Home / 93,037.74-128,439.75-62,982.06

Finding the Fourth Proportional to 93,037.74, 128,439.75 and 62,982.06

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Solution

The fourth proportional to 93,037.74, 128,439.75 and 62,982.06 is: 86,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,037.74 : 128,439.75 = 62,982.06 : x
  2. Step 2: Convert to fraction form
    93,037.74/128,439.75 = 62,982.06/x
  3. Step 3: Cross multiply
    93,037.74x = 128,439.75 × 62,982.06
  4. Step 4: Simplify right side
    93,037.74x = 8,089,400,040.89
  5. Step 5: Solve for x
    x = 8,089,400,040.89/93,037.74
  6. Step 6: Final answer
    x = 86,947.51

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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.