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Finding the Fourth Proportional to 76,559.58, 105,627.84 and 46,335.24

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Solution

The fourth proportional to 76,559.58, 105,627.84 and 46,335.24 is: 63,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,559.58 : 105,627.84 = 46,335.24 : x
  2. Step 2: Convert to fraction form
    76,559.58/105,627.84 = 46,335.24/x
  3. Step 3: Cross multiply
    76,559.58x = 105,627.84 × 46,335.24
  4. Step 4: Simplify right side
    76,559.58x = 4,894,291,317.08
  5. Step 5: Solve for x
    x = 4,894,291,317.08/76,559.58
  6. Step 6: Final answer
    x = 63,927.88

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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.