Home / 77,530.50-107,003.65-47,333.32

Finding the Fourth Proportional to 77,530.50, 107,003.65 and 47,333.32

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Solution

The fourth proportional to 77,530.50, 107,003.65 and 47,333.32 is: 65,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530.50 : 107,003.65 = 47,333.32 : x
  2. Step 2: Convert to fraction form
    77,530.50/107,003.65 = 47,333.32/x
  3. Step 3: Cross multiply
    77,530.50x = 107,003.65 × 47,333.32
  4. Step 4: Simplify right side
    77,530.50x = 5,064,838,006.62
  5. Step 5: Solve for x
    x = 5,064,838,006.62/77,530.50
  6. Step 6: Final answer
    x = 65,327.04

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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.