Home / 93,317.59-128,779.03-50,876.43

Finding the Fourth Proportional to 93,317.59, 128,779.03 and 50,876.43

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Solution

The fourth proportional to 93,317.59, 128,779.03 and 50,876.43 is: 70,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.59 : 128,779.03 = 50,876.43 : x
  2. Step 2: Convert to fraction form
    93,317.59/128,779.03 = 50,876.43/x
  3. Step 3: Cross multiply
    93,317.59x = 128,779.03 × 50,876.43
  4. Step 4: Simplify right side
    93,317.59x = 6,551,817,305.26
  5. Step 5: Solve for x
    x = 6,551,817,305.26/93,317.59
  6. Step 6: Final answer
    x = 70,209.89

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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.