Home / 55,913.28-77,130.60-42,462.24

Finding the Fourth Proportional to 55,913.28, 77,130.60 and 42,462.24

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Solution

The fourth proportional to 55,913.28, 77,130.60 and 42,462.24 is: 58,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913.28 : 77,130.60 = 42,462.24 : x
  2. Step 2: Convert to fraction form
    55,913.28/77,130.60 = 42,462.24/x
  3. Step 3: Cross multiply
    55,913.28x = 77,130.60 × 42,462.24
  4. Step 4: Simplify right side
    55,913.28x = 3,275,138,048.54
  5. Step 5: Solve for x
    x = 3,275,138,048.54/55,913.28
  6. Step 6: Final answer
    x = 58,575.32

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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.