Home / 93,455.63-129,015.03-57,665.36

Finding the Fourth Proportional to 93,455.63, 129,015.03 and 57,665.36

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Solution

The fourth proportional to 93,455.63, 129,015.03 and 57,665.36 is: 79,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.63 : 129,015.03 = 57,665.36 : x
  2. Step 2: Convert to fraction form
    93,455.63/129,015.03 = 57,665.36/x
  3. Step 3: Cross multiply
    93,455.63x = 129,015.03 × 57,665.36
  4. Step 4: Simplify right side
    93,455.63x = 7,439,698,150.36
  5. Step 5: Solve for x
    x = 7,439,698,150.36/93,455.63
  6. Step 6: Final answer
    x = 79,606.74

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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.