Home / 64,123.06-88,489.58-35,828.74

Finding the Fourth Proportional to 64,123.06, 88,489.58 and 35,828.74

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Solution

The fourth proportional to 64,123.06, 88,489.58 and 35,828.74 is: 49,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.06 : 88,489.58 = 35,828.74 : x
  2. Step 2: Convert to fraction form
    64,123.06/88,489.58 = 35,828.74/x
  3. Step 3: Cross multiply
    64,123.06x = 88,489.58 × 35,828.74
  4. Step 4: Simplify right side
    64,123.06x = 3,170,470,154.53
  5. Step 5: Solve for x
    x = 3,170,470,154.53/64,123.06
  6. Step 6: Final answer
    x = 49,443.53

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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.