Home / 63,051.22-87,051.21-39,210.34

Finding the Fourth Proportional to 63,051.22, 87,051.21 and 39,210.34

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Solution

The fourth proportional to 63,051.22, 87,051.21 and 39,210.34 is: 54,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,051.22 : 87,051.21 = 39,210.34 : x
  2. Step 2: Convert to fraction form
    63,051.22/87,051.21 = 39,210.34/x
  3. Step 3: Cross multiply
    63,051.22x = 87,051.21 × 39,210.34
  4. Step 4: Simplify right side
    63,051.22x = 3,413,307,541.51
  5. Step 5: Solve for x
    x = 3,413,307,541.51/63,051.22
  6. Step 6: Final answer
    x = 54,135.47

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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.