Home / 107,554.08-148,364.10-64,522.12

Finding the Fourth Proportional to 107,554.08, 148,364.10 and 64,522.12

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Solution

The fourth proportional to 107,554.08, 148,364.10 and 64,522.12 is: 89,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,554.08 : 148,364.10 = 64,522.12 : x
  2. Step 2: Convert to fraction form
    107,554.08/148,364.10 = 64,522.12/x
  3. Step 3: Cross multiply
    107,554.08x = 148,364.10 × 64,522.12
  4. Step 4: Simplify right side
    107,554.08x = 9,572,765,892.98
  5. Step 5: Solve for x
    x = 9,572,765,892.98/107,554.08
  6. Step 6: Final answer
    x = 89,004.21

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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.