Home / 88,011.21-121,522.01-54,066.23

Finding the Fourth Proportional to 88,011.21, 121,522.01 and 54,066.23

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Solution

The fourth proportional to 88,011.21, 121,522.01 and 54,066.23 is: 74,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.21 : 121,522.01 = 54,066.23 : x
  2. Step 2: Convert to fraction form
    88,011.21/121,522.01 = 54,066.23/x
  3. Step 3: Cross multiply
    88,011.21x = 121,522.01 × 54,066.23
  4. Step 4: Simplify right side
    88,011.21x = 6,570,237,381.69
  5. Step 5: Solve for x
    x = 6,570,237,381.69/88,011.21
  6. Step 6: Final answer
    x = 74,652.28

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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.