Home / 93,759.36-129,387.78-51,317.88

Finding the Fourth Proportional to 93,759.36, 129,387.78 and 51,317.88

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Solution

The fourth proportional to 93,759.36, 129,387.78 and 51,317.88 is: 70,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,759.36 : 129,387.78 = 51,317.88 : x
  2. Step 2: Convert to fraction form
    93,759.36/129,387.78 = 51,317.88/x
  3. Step 3: Cross multiply
    93,759.36x = 129,387.78 × 51,317.88
  4. Step 4: Simplify right side
    93,759.36x = 6,639,906,567.51
  5. Step 5: Solve for x
    x = 6,639,906,567.51/93,759.36
  6. Step 6: Final answer
    x = 70,818.60

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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.