Home / 56,263.16-77,635.64-31,114.28

Finding the Fourth Proportional to 56,263.16, 77,635.64 and 31,114.28

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Solution

The fourth proportional to 56,263.16, 77,635.64 and 31,114.28 is: 42,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.16 : 77,635.64 = 31,114.28 : x
  2. Step 2: Convert to fraction form
    56,263.16/77,635.64 = 31,114.28/x
  3. Step 3: Cross multiply
    56,263.16x = 77,635.64 × 31,114.28
  4. Step 4: Simplify right side
    56,263.16x = 2,415,576,788.60
  5. Step 5: Solve for x
    x = 2,415,576,788.60/56,263.16
  6. Step 6: Final answer
    x = 42,933.55

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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.