Home / 66,118.79-99,080.92-39,073.29

Finding the Fourth Proportional to 66,118.79, 99,080.92 and 39,073.29

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Solution

The fourth proportional to 66,118.79, 99,080.92 and 39,073.29 is: 58,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.79 : 99,080.92 = 39,073.29 : x
  2. Step 2: Convert to fraction form
    66,118.79/99,080.92 = 39,073.29/x
  3. Step 3: Cross multiply
    66,118.79x = 99,080.92 × 39,073.29
  4. Step 4: Simplify right side
    66,118.79x = 3,871,417,520.63
  5. Step 5: Solve for x
    x = 3,871,417,520.63/66,118.79
  6. Step 6: Final answer
    x = 58,552.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.