Home / 93,206.36-128,628-52,918.79

Finding the Fourth Proportional to 93,206.36, 128,628 and 52,918.79

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Solution

The fourth proportional to 93,206.36, 128,628 and 52,918.79 is: 73,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,206.36 : 128,628 = 52,918.79 : x
  2. Step 2: Convert to fraction form
    93,206.36/128,628 = 52,918.79/x
  3. Step 3: Cross multiply
    93,206.36x = 128,628 × 52,918.79
  4. Step 4: Simplify right side
    93,206.36x = 6,806,837,476.98
  5. Step 5: Solve for x
    x = 6,806,837,476.98/93,206.36
  6. Step 6: Final answer
    x = 73,029.75

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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.