Home / 76,458.40-114,689.52-37,008.16

Finding the Fourth Proportional to 76,458.40, 114,689.52 and 37,008.16

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Solution

The fourth proportional to 76,458.40, 114,689.52 and 37,008.16 is: 55,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,458.40 : 114,689.52 = 37,008.16 : x
  2. Step 2: Convert to fraction form
    76,458.40/114,689.52 = 37,008.16/x
  3. Step 3: Cross multiply
    76,458.40x = 114,689.52 × 37,008.16
  4. Step 4: Simplify right side
    76,458.40x = 4,244,448,106.48
  5. Step 5: Solve for x
    x = 4,244,448,106.48/76,458.40
  6. Step 6: Final answer
    x = 55,513.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.