Home / 93,940.09-129,640.31-51,498.25

Finding the Fourth Proportional to 93,940.09, 129,640.31 and 51,498.25

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Solution

The fourth proportional to 93,940.09, 129,640.31 and 51,498.25 is: 71,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.09 : 129,640.31 = 51,498.25 : x
  2. Step 2: Convert to fraction form
    93,940.09/129,640.31 = 51,498.25/x
  3. Step 3: Cross multiply
    93,940.09x = 129,640.31 × 51,498.25
  4. Step 4: Simplify right side
    93,940.09x = 6,676,249,094.46
  5. Step 5: Solve for x
    x = 6,676,249,094.46/93,940.09
  6. Step 6: Final answer
    x = 71,069.22

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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.