Home / 96,710.04-145,106.34-54,621.72

Finding the Fourth Proportional to 96,710.04, 145,106.34 and 54,621.72

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Solution

The fourth proportional to 96,710.04, 145,106.34 and 54,621.72 is: 81,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,710.04 : 145,106.34 = 54,621.72 : x
  2. Step 2: Convert to fraction form
    96,710.04/145,106.34 = 54,621.72/x
  3. Step 3: Cross multiply
    96,710.04x = 145,106.34 × 54,621.72
  4. Step 4: Simplify right side
    96,710.04x = 7,925,957,873.70
  5. Step 5: Solve for x
    x = 7,925,957,873.70/96,710.04
  6. Step 6: Final answer
    x = 81,955.89

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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.