Home / 97,442.40-134,499.24-57,164.88

Finding the Fourth Proportional to 97,442.40, 134,499.24 and 57,164.88

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Solution

The fourth proportional to 97,442.40, 134,499.24 and 57,164.88 is: 78,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,442.40 : 134,499.24 = 57,164.88 : x
  2. Step 2: Convert to fraction form
    97,442.40/134,499.24 = 57,164.88/x
  3. Step 3: Cross multiply
    97,442.40x = 134,499.24 × 57,164.88
  4. Step 4: Simplify right side
    97,442.40x = 7,688,632,914.69
  5. Step 5: Solve for x
    x = 7,688,632,914.69/97,442.40
  6. Step 6: Final answer
    x = 78,904.39

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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.