Home / 58,612.32-80,896.40-45,840.16

Finding the Fourth Proportional to 58,612.32, 80,896.40 and 45,840.16

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Solution

The fourth proportional to 58,612.32, 80,896.40 and 45,840.16 is: 63,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,612.32 : 80,896.40 = 45,840.16 : x
  2. Step 2: Convert to fraction form
    58,612.32/80,896.40 = 45,840.16/x
  3. Step 3: Cross multiply
    58,612.32x = 80,896.40 × 45,840.16
  4. Step 4: Simplify right side
    58,612.32x = 3,708,303,919.42
  5. Step 5: Solve for x
    x = 3,708,303,919.42/58,612.32
  6. Step 6: Final answer
    x = 63,268.34

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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.