Home / 93,628.80-129,207.72-51,187.33

Finding the Fourth Proportional to 93,628.80, 129,207.72 and 51,187.33

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Solution

The fourth proportional to 93,628.80, 129,207.72 and 51,187.33 is: 70,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,628.80 : 129,207.72 = 51,187.33 : x
  2. Step 2: Convert to fraction form
    93,628.80/129,207.72 = 51,187.33/x
  3. Step 3: Cross multiply
    93,628.80x = 129,207.72 × 51,187.33
  4. Step 4: Simplify right side
    93,628.80x = 6,613,798,202.19
  5. Step 5: Solve for x
    x = 6,613,798,202.19/93,628.80
  6. Step 6: Final answer
    x = 70,638.50

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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.