Home / 56,123.95-77,451.77-33,154.53

Finding the Fourth Proportional to 56,123.95, 77,451.77 and 33,154.53

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Solution

The fourth proportional to 56,123.95, 77,451.77 and 33,154.53 is: 45,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,123.95 : 77,451.77 = 33,154.53 : x
  2. Step 2: Convert to fraction form
    56,123.95/77,451.77 = 33,154.53/x
  3. Step 3: Cross multiply
    56,123.95x = 77,451.77 × 33,154.53
  4. Step 4: Simplify right side
    56,123.95x = 2,567,876,949.05
  5. Step 5: Solve for x
    x = 2,567,876,949.05/56,123.95
  6. Step 6: Final answer
    x = 45,753.67

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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.