Home / 76,570.47-114,416.46-58,458.51

Finding the Fourth Proportional to 76,570.47, 114,416.46 and 58,458.51

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Solution

The fourth proportional to 76,570.47, 114,416.46 and 58,458.51 is: 87,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,570.47 : 114,416.46 = 58,458.51 : x
  2. Step 2: Convert to fraction form
    76,570.47/114,416.46 = 58,458.51/x
  3. Step 3: Cross multiply
    76,570.47x = 114,416.46 × 58,458.51
  4. Step 4: Simplify right side
    76,570.47x = 6,688,615,771.07
  5. Step 5: Solve for x
    x = 6,688,615,771.07/76,570.47
  6. Step 6: Final answer
    x = 87,352.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.