Home / 93,779.14-129,415.43-51,340.40

Finding the Fourth Proportional to 93,779.14, 129,415.43 and 51,340.40

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Solution

The fourth proportional to 93,779.14, 129,415.43 and 51,340.40 is: 70,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,779.14 : 129,415.43 = 51,340.40 : x
  2. Step 2: Convert to fraction form
    93,779.14/129,415.43 = 51,340.40/x
  3. Step 3: Cross multiply
    93,779.14x = 129,415.43 × 51,340.40
  4. Step 4: Simplify right side
    93,779.14x = 6,644,239,942.37
  5. Step 5: Solve for x
    x = 6,644,239,942.37/93,779.14
  6. Step 6: Final answer
    x = 70,849.87

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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.