Home / 97,680.58-134,811.86-55,247.50

Finding the Fourth Proportional to 97,680.58, 134,811.86 and 55,247.50

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Solution

The fourth proportional to 97,680.58, 134,811.86 and 55,247.50 is: 76,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,680.58 : 134,811.86 = 55,247.50 : x
  2. Step 2: Convert to fraction form
    97,680.58/134,811.86 = 55,247.50/x
  3. Step 3: Cross multiply
    97,680.58x = 134,811.86 × 55,247.50
  4. Step 4: Simplify right side
    97,680.58x = 7,448,018,235.35
  5. Step 5: Solve for x
    x = 7,448,018,235.35/97,680.58
  6. Step 6: Final answer
    x = 76,248.71

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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.