Home / 93,878.76-129,550.68-51,436.38

Finding the Fourth Proportional to 93,878.76, 129,550.68 and 51,436.38

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Solution

The fourth proportional to 93,878.76, 129,550.68 and 51,436.38 is: 70,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,878.76 : 129,550.68 = 51,436.38 : x
  2. Step 2: Convert to fraction form
    93,878.76/129,550.68 = 51,436.38/x
  3. Step 3: Cross multiply
    93,878.76x = 129,550.68 × 51,436.38
  4. Step 4: Simplify right side
    93,878.76x = 6,663,618,005.74
  5. Step 5: Solve for x
    x = 6,663,618,005.74/93,878.76
  6. Step 6: Final answer
    x = 70,981.10

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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.