Home / 93,579.48-129,141.54-51,140.64

Finding the Fourth Proportional to 93,579.48, 129,141.54 and 51,140.64

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Solution

The fourth proportional to 93,579.48, 129,141.54 and 51,140.64 is: 70,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,579.48 : 129,141.54 = 51,140.64 : x
  2. Step 2: Convert to fraction form
    93,579.48/129,141.54 = 51,140.64/x
  3. Step 3: Cross multiply
    93,579.48x = 129,141.54 × 51,140.64
  4. Step 4: Simplify right side
    93,579.48x = 6,604,381,006.19
  5. Step 5: Solve for x
    x = 6,604,381,006.19/93,579.48
  6. Step 6: Final answer
    x = 70,575.10

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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.