Home / 93,779.82-129,416.25-51,338.45

Finding the Fourth Proportional to 93,779.82, 129,416.25 and 51,338.45

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Solution

The fourth proportional to 93,779.82, 129,416.25 and 51,338.45 is: 70,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,779.82 : 129,416.25 = 51,338.45 : x
  2. Step 2: Convert to fraction form
    93,779.82/129,416.25 = 51,338.45/x
  3. Step 3: Cross multiply
    93,779.82x = 129,416.25 × 51,338.45
  4. Step 4: Simplify right side
    93,779.82x = 6,644,029,032.73
  5. Step 5: Solve for x
    x = 6,644,029,032.73/93,779.82
  6. Step 6: Final answer
    x = 70,847.11

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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.