Home / 70,811.69-97,533.98-54,427.57

Finding the Fourth Proportional to 70,811.69, 97,533.98 and 54,427.57

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Solution

The fourth proportional to 70,811.69, 97,533.98 and 54,427.57 is: 74,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,811.69 : 97,533.98 = 54,427.57 : x
  2. Step 2: Convert to fraction form
    70,811.69/97,533.98 = 54,427.57/x
  3. Step 3: Cross multiply
    70,811.69x = 97,533.98 × 54,427.57
  4. Step 4: Simplify right side
    70,811.69x = 5,308,536,900.09
  5. Step 5: Solve for x
    x = 5,308,536,900.09/70,811.69
  6. Step 6: Final answer
    x = 74,966.96

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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.