Home / 90,577.76-135,822.93-37,973.12

Finding the Fourth Proportional to 90,577.76, 135,822.93 and 37,973.12

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Solution

The fourth proportional to 90,577.76, 135,822.93 and 37,973.12 is: 56,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577.76 : 135,822.93 = 37,973.12 : x
  2. Step 2: Convert to fraction form
    90,577.76/135,822.93 = 37,973.12/x
  3. Step 3: Cross multiply
    90,577.76x = 135,822.93 × 37,973.12
  4. Step 4: Simplify right side
    90,577.76x = 5,157,620,419.64
  5. Step 5: Solve for x
    x = 5,157,620,419.64/90,577.76
  6. Step 6: Final answer
    x = 56,941.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.