Home / 66,535.60-99,803.40-29,599.60

Finding the Fourth Proportional to 66,535.60, 99,803.40 and 29,599.60

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Solution

The fourth proportional to 66,535.60, 99,803.40 and 29,599.60 is: 44,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.60 : 99,803.40 = 29,599.60 : x
  2. Step 2: Convert to fraction form
    66,535.60/99,803.40 = 29,599.60/x
  3. Step 3: Cross multiply
    66,535.60x = 99,803.40 × 29,599.60
  4. Step 4: Simplify right side
    66,535.60x = 2,954,140,718.64
  5. Step 5: Solve for x
    x = 2,954,140,718.64/66,535.60
  6. Step 6: Final answer
    x = 44,399.40

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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.