Home / 55,931.11-77,200.10-32,980.98

Finding the Fourth Proportional to 55,931.11, 77,200.10 and 32,980.98

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Solution

The fourth proportional to 55,931.11, 77,200.10 and 32,980.98 is: 45,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.11 : 77,200.10 = 32,980.98 : x
  2. Step 2: Convert to fraction form
    55,931.11/77,200.10 = 32,980.98/x
  3. Step 3: Cross multiply
    55,931.11x = 77,200.10 × 32,980.98
  4. Step 4: Simplify right side
    55,931.11x = 2,546,134,954.10
  5. Step 5: Solve for x
    x = 2,546,134,954.10/55,931.11
  6. Step 6: Final answer
    x = 45,522.70

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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.