Home / 56,055.16-77,312.36-35,913.92

Finding the Fourth Proportional to 56,055.16, 77,312.36 and 35,913.92

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Solution

The fourth proportional to 56,055.16, 77,312.36 and 35,913.92 is: 49,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,055.16 : 77,312.36 = 35,913.92 : x
  2. Step 2: Convert to fraction form
    56,055.16/77,312.36 = 35,913.92/x
  3. Step 3: Cross multiply
    56,055.16x = 77,312.36 × 35,913.92
  4. Step 4: Simplify right side
    56,055.16x = 2,776,589,912.05
  5. Step 5: Solve for x
    x = 2,776,589,912.05/56,055.16
  6. Step 6: Final answer
    x = 49,533.17

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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.