Home / 88,929.80-133,686.30-62,815.40

Finding the Fourth Proportional to 88,929.80, 133,686.30 and 62,815.40

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Solution

The fourth proportional to 88,929.80, 133,686.30 and 62,815.40 is: 94,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,929.80 : 133,686.30 = 62,815.40 : x
  2. Step 2: Convert to fraction form
    88,929.80/133,686.30 = 62,815.40/x
  3. Step 3: Cross multiply
    88,929.80x = 133,686.30 × 62,815.40
  4. Step 4: Simplify right side
    88,929.80x = 8,397,558,409.02
  5. Step 5: Solve for x
    x = 8,397,558,409.02/88,929.80
  6. Step 6: Final answer
    x = 94,429.07

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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.