Home / 93,879.60-129,551.04-51,436.68

Finding the Fourth Proportional to 93,879.60, 129,551.04 and 51,436.68

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Solution

The fourth proportional to 93,879.60, 129,551.04 and 51,436.68 is: 70,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,879.60 : 129,551.04 = 51,436.68 : x
  2. Step 2: Convert to fraction form
    93,879.60/129,551.04 = 51,436.68/x
  3. Step 3: Cross multiply
    93,879.60x = 129,551.04 × 51,436.68
  4. Step 4: Simplify right side
    93,879.60x = 6,663,675,388.15
  5. Step 5: Solve for x
    x = 6,663,675,388.15/93,879.60
  6. Step 6: Final answer
    x = 70,981.08

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1.5x scale

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.