Home / 58,988.58-81,403.08-32,130.78

Finding the Fourth Proportional to 58,988.58, 81,403.08 and 32,130.78

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Solution

The fourth proportional to 58,988.58, 81,403.08 and 32,130.78 is: 44,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,988.58 : 81,403.08 = 32,130.78 : x
  2. Step 2: Convert to fraction form
    58,988.58/81,403.08 = 32,130.78/x
  3. Step 3: Cross multiply
    58,988.58x = 81,403.08 × 32,130.78
  4. Step 4: Simplify right side
    58,988.58x = 2,615,544,454.80
  5. Step 5: Solve for x
    x = 2,615,544,454.80/58,988.58
  6. Step 6: Final answer
    x = 44,339.84

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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.