Home / 76,352.64-105,361.89-46,120.10

Finding the Fourth Proportional to 76,352.64, 105,361.89 and 46,120.10

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Solution

The fourth proportional to 76,352.64, 105,361.89 and 46,120.10 is: 63,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,352.64 : 105,361.89 = 46,120.10 : x
  2. Step 2: Convert to fraction form
    76,352.64/105,361.89 = 46,120.10/x
  3. Step 3: Cross multiply
    76,352.64x = 105,361.89 × 46,120.10
  4. Step 4: Simplify right side
    76,352.64x = 4,859,300,925.60
  5. Step 5: Solve for x
    x = 4,859,300,925.60/76,352.64
  6. Step 6: Final answer
    x = 63,642.87

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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.