Home / 93,975.08-129,677.59-53,137.21

Finding the Fourth Proportional to 93,975.08, 129,677.59 and 53,137.21

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Solution

The fourth proportional to 93,975.08, 129,677.59 and 53,137.21 is: 73,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,975.08 : 129,677.59 = 53,137.21 : x
  2. Step 2: Convert to fraction form
    93,975.08/129,677.59 = 53,137.21/x
  3. Step 3: Cross multiply
    93,975.08x = 129,677.59 × 53,137.21
  4. Step 4: Simplify right side
    93,975.08x = 6,890,705,332.12
  5. Step 5: Solve for x
    x = 6,890,705,332.12/93,975.08
  6. Step 6: Final answer
    x = 73,324.81

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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.