Home / 77,543.49-116,221.35-35,365.77

Finding the Fourth Proportional to 77,543.49, 116,221.35 and 35,365.77

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Solution

The fourth proportional to 77,543.49, 116,221.35 and 35,365.77 is: 53,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,543.49 : 116,221.35 = 35,365.77 : x
  2. Step 2: Convert to fraction form
    77,543.49/116,221.35 = 35,365.77/x
  3. Step 3: Cross multiply
    77,543.49x = 116,221.35 × 35,365.77
  4. Step 4: Simplify right side
    77,543.49x = 4,110,257,533.19
  5. Step 5: Solve for x
    x = 4,110,257,533.19/77,543.49
  6. Step 6: Final answer
    x = 53,005.84

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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.