Home / 56,130.77-77,458.50-33,458.06

Finding the Fourth Proportional to 56,130.77, 77,458.50 and 33,458.06

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Solution

The fourth proportional to 56,130.77, 77,458.50 and 33,458.06 is: 46,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.77 : 77,458.50 = 33,458.06 : x
  2. Step 2: Convert to fraction form
    56,130.77/77,458.50 = 33,458.06/x
  3. Step 3: Cross multiply
    56,130.77x = 77,458.50 × 33,458.06
  4. Step 4: Simplify right side
    56,130.77x = 2,591,611,334.16
  5. Step 5: Solve for x
    x = 2,591,611,334.16/56,130.77
  6. Step 6: Final answer
    x = 46,170.95

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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.