Home / 88,029.60-121,478.54-50,303.84

Finding the Fourth Proportional to 88,029.60, 121,478.54 and 50,303.84

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Solution

The fourth proportional to 88,029.60, 121,478.54 and 50,303.84 is: 69,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.60 : 121,478.54 = 50,303.84 : x
  2. Step 2: Convert to fraction form
    88,029.60/121,478.54 = 50,303.84/x
  3. Step 3: Cross multiply
    88,029.60x = 121,478.54 × 50,303.84
  4. Step 4: Simplify right side
    88,029.60x = 6,110,837,039.59
  5. Step 5: Solve for x
    x = 6,110,837,039.59/88,029.60
  6. Step 6: Final answer
    x = 69,417.98

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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.