Home / 66,987.64-92,444.16-36,775.81

Finding the Fourth Proportional to 66,987.64, 92,444.16 and 36,775.81

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Solution

The fourth proportional to 66,987.64, 92,444.16 and 36,775.81 is: 50,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,987.64 : 92,444.16 = 36,775.81 : x
  2. Step 2: Convert to fraction form
    66,987.64/92,444.16 = 36,775.81/x
  3. Step 3: Cross multiply
    66,987.64x = 92,444.16 × 36,775.81
  4. Step 4: Simplify right side
    66,987.64x = 3,399,708,863.77
  5. Step 5: Solve for x
    x = 3,399,708,863.77/66,987.64
  6. Step 6: Final answer
    x = 50,751.29

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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.