Home / 116,834.54-161,125.80-76,533.60

Finding the Fourth Proportional to 116,834.54, 161,125.80 and 76,533.60

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Solution

The fourth proportional to 116,834.54, 161,125.80 and 76,533.60 is: 105,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,834.54 : 161,125.80 = 76,533.60 : x
  2. Step 2: Convert to fraction form
    116,834.54/161,125.80 = 76,533.60/x
  3. Step 3: Cross multiply
    116,834.54x = 161,125.80 × 76,533.60
  4. Step 4: Simplify right side
    116,834.54x = 12,331,537,526.88
  5. Step 5: Solve for x
    x = 12,331,537,526.88/116,834.54
  6. Step 6: Final answer
    x = 105,547.02

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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.