Home / 63,739.22-87,907.76-56,574.36

Finding the Fourth Proportional to 63,739.22, 87,907.76 and 56,574.36

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Solution

The fourth proportional to 63,739.22, 87,907.76 and 56,574.36 is: 78,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,739.22 : 87,907.76 = 56,574.36 : x
  2. Step 2: Convert to fraction form
    63,739.22/87,907.76 = 56,574.36/x
  3. Step 3: Cross multiply
    63,739.22x = 87,907.76 × 56,574.36
  4. Step 4: Simplify right side
    63,739.22x = 4,973,325,261.03
  5. Step 5: Solve for x
    x = 4,973,325,261.03/63,739.22
  6. Step 6: Final answer
    x = 78,026.14

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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.