Home / 97,179.07-134,109.32-54,162.98

Finding the Fourth Proportional to 97,179.07, 134,109.32 and 54,162.98

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Solution

The fourth proportional to 97,179.07, 134,109.32 and 54,162.98 is: 74,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,179.07 : 134,109.32 = 54,162.98 : x
  2. Step 2: Convert to fraction form
    97,179.07/134,109.32 = 54,162.98/x
  3. Step 3: Cross multiply
    97,179.07x = 134,109.32 × 54,162.98
  4. Step 4: Simplify right side
    97,179.07x = 7,263,760,283.19
  5. Step 5: Solve for x
    x = 7,263,760,283.19/97,179.07
  6. Step 6: Final answer
    x = 74,746.14

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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.