Home / 63,440.12-87,548.10-35,146.28

Finding the Fourth Proportional to 63,440.12, 87,548.10 and 35,146.28

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Solution

The fourth proportional to 63,440.12, 87,548.10 and 35,146.28 is: 48,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.12 : 87,548.10 = 35,146.28 : x
  2. Step 2: Convert to fraction form
    63,440.12/87,548.10 = 35,146.28/x
  3. Step 3: Cross multiply
    63,440.12x = 87,548.10 × 35,146.28
  4. Step 4: Simplify right side
    63,440.12x = 3,076,990,036.07
  5. Step 5: Solve for x
    x = 3,076,990,036.07/63,440.12
  6. Step 6: Final answer
    x = 48,502.27

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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.