Home / 75,607.40-104,349.66-45,409.32

Finding the Fourth Proportional to 75,607.40, 104,349.66 and 45,409.32

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Solution

The fourth proportional to 75,607.40, 104,349.66 and 45,409.32 is: 62,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607.40 : 104,349.66 = 45,409.32 : x
  2. Step 2: Convert to fraction form
    75,607.40/104,349.66 = 45,409.32/x
  3. Step 3: Cross multiply
    75,607.40x = 104,349.66 × 45,409.32
  4. Step 4: Simplify right side
    75,607.40x = 4,738,447,102.83
  5. Step 5: Solve for x
    x = 4,738,447,102.83/75,607.40
  6. Step 6: Final answer
    x = 62,671.74

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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.