Home / 93,750.60-129,338.82-57,878.36

Finding the Fourth Proportional to 93,750.60, 129,338.82 and 57,878.36

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Solution

The fourth proportional to 93,750.60, 129,338.82 and 57,878.36 is: 79,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,750.60 : 129,338.82 = 57,878.36 : x
  2. Step 2: Convert to fraction form
    93,750.60/129,338.82 = 57,878.36/x
  3. Step 3: Cross multiply
    93,750.60x = 129,338.82 × 57,878.36
  4. Step 4: Simplify right side
    93,750.60x = 7,485,918,785.94
  5. Step 5: Solve for x
    x = 7,485,918,785.94/93,750.60
  6. Step 6: Final answer
    x = 79,849.29

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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.