Home / 93,746.68-129,310.70-65,442.04

Finding the Fourth Proportional to 93,746.68, 129,310.70 and 65,442.04

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Solution

The fourth proportional to 93,746.68, 129,310.70 and 65,442.04 is: 90,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,746.68 : 129,310.70 = 65,442.04 : x
  2. Step 2: Convert to fraction form
    93,746.68/129,310.70 = 65,442.04/x
  3. Step 3: Cross multiply
    93,746.68x = 129,310.70 × 65,442.04
  4. Step 4: Simplify right side
    93,746.68x = 8,462,356,001.83
  5. Step 5: Solve for x
    x = 8,462,356,001.83/93,746.68
  6. Step 6: Final answer
    x = 90,268.33

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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.