Home / 64,080.15-88,431.93-35,785.86

Finding the Fourth Proportional to 64,080.15, 88,431.93 and 35,785.86

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Solution

The fourth proportional to 64,080.15, 88,431.93 and 35,785.86 is: 49,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.15 : 88,431.93 = 35,785.86 : x
  2. Step 2: Convert to fraction form
    64,080.15/88,431.93 = 35,785.86/x
  3. Step 3: Cross multiply
    64,080.15x = 88,431.93 × 35,785.86
  4. Step 4: Simplify right side
    64,080.15x = 3,164,612,666.51
  5. Step 5: Solve for x
    x = 3,164,612,666.51/64,080.15
  6. Step 6: Final answer
    x = 49,385.23

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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.