Home / 56,203.28-77,415.14-39,177.16

Finding the Fourth Proportional to 56,203.28, 77,415.14 and 39,177.16

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Solution

The fourth proportional to 56,203.28, 77,415.14 and 39,177.16 is: 53,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.28 : 77,415.14 = 39,177.16 : x
  2. Step 2: Convert to fraction form
    56,203.28/77,415.14 = 39,177.16/x
  3. Step 3: Cross multiply
    56,203.28x = 77,415.14 × 39,177.16
  4. Step 4: Simplify right side
    56,203.28x = 3,032,905,326.20
  5. Step 5: Solve for x
    x = 3,032,905,326.20/56,203.28
  6. Step 6: Final answer
    x = 53,963.14

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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.