Home / 56,172.26-77,483.30-38,275.32

Finding the Fourth Proportional to 56,172.26, 77,483.30 and 38,275.32

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Solution

The fourth proportional to 56,172.26, 77,483.30 and 38,275.32 is: 52,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172.26 : 77,483.30 = 38,275.32 : x
  2. Step 2: Convert to fraction form
    56,172.26/77,483.30 = 38,275.32/x
  3. Step 3: Cross multiply
    56,172.26x = 77,483.30 × 38,275.32
  4. Step 4: Simplify right side
    56,172.26x = 2,965,698,102.16
  5. Step 5: Solve for x
    x = 2,965,698,102.16/56,172.26
  6. Step 6: Final answer
    x = 52,796.49

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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.