Home / 63,070.56-87,004.80-39,188.16

Finding the Fourth Proportional to 63,070.56, 87,004.80 and 39,188.16

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Solution

The fourth proportional to 63,070.56, 87,004.80 and 39,188.16 is: 54,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.56 : 87,004.80 = 39,188.16 : x
  2. Step 2: Convert to fraction form
    63,070.56/87,004.80 = 39,188.16/x
  3. Step 3: Cross multiply
    63,070.56x = 87,004.80 × 39,188.16
  4. Step 4: Simplify right side
    63,070.56x = 3,409,558,023.17
  5. Step 5: Solve for x
    x = 3,409,558,023.17/63,070.56
  6. Step 6: Final answer
    x = 54,059.42

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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.