Home / 76,955.80-115,432.44-24,365.20

Finding the Fourth Proportional to 76,955.80, 115,432.44 and 24,365.20

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Solution

The fourth proportional to 76,955.80, 115,432.44 and 24,365.20 is: 36,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955.80 : 115,432.44 = 24,365.20 : x
  2. Step 2: Convert to fraction form
    76,955.80/115,432.44 = 24,365.20/x
  3. Step 3: Cross multiply
    76,955.80x = 115,432.44 × 24,365.20
  4. Step 4: Simplify right side
    76,955.80x = 2,812,534,487.09
  5. Step 5: Solve for x
    x = 2,812,534,487.09/76,955.80
  6. Step 6: Final answer
    x = 36,547.40

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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.