Home / 97,440.70-134,427.49-65,554.24

Finding the Fourth Proportional to 97,440.70, 134,427.49 and 65,554.24

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Solution

The fourth proportional to 97,440.70, 134,427.49 and 65,554.24 is: 90,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,440.70 : 134,427.49 = 65,554.24 : x
  2. Step 2: Convert to fraction form
    97,440.70/134,427.49 = 65,554.24/x
  3. Step 3: Cross multiply
    97,440.70x = 134,427.49 × 65,554.24
  4. Step 4: Simplify right side
    97,440.70x = 8,812,291,942.06
  5. Step 5: Solve for x
    x = 8,812,291,942.06/97,440.70
  6. Step 6: Final answer
    x = 90,437.49

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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.