Home / 93,315.38-128,778.46-53,030.84

Finding the Fourth Proportional to 93,315.38, 128,778.46 and 53,030.84

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Solution

The fourth proportional to 93,315.38, 128,778.46 and 53,030.84 is: 73,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315.38 : 128,778.46 = 53,030.84 : x
  2. Step 2: Convert to fraction form
    93,315.38/128,778.46 = 53,030.84/x
  3. Step 3: Cross multiply
    93,315.38x = 128,778.46 × 53,030.84
  4. Step 4: Simplify right side
    93,315.38x = 6,829,229,131.24
  5. Step 5: Solve for x
    x = 6,829,229,131.24/93,315.38
  6. Step 6: Final answer
    x = 73,184.39

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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.