Home / 56,201.13-77,557.50-31,050.63

Finding the Fourth Proportional to 56,201.13, 77,557.50 and 31,050.63

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Solution

The fourth proportional to 56,201.13, 77,557.50 and 31,050.63 is: 42,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.13 : 77,557.50 = 31,050.63 : x
  2. Step 2: Convert to fraction form
    56,201.13/77,557.50 = 31,050.63/x
  3. Step 3: Cross multiply
    56,201.13x = 77,557.50 × 31,050.63
  4. Step 4: Simplify right side
    56,201.13x = 2,408,209,236.23
  5. Step 5: Solve for x
    x = 2,408,209,236.23/56,201.13
  6. Step 6: Final answer
    x = 42,849.84

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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.