Home / 88,990.25-122,804.71-48,703.07

Finding the Fourth Proportional to 88,990.25, 122,804.71 and 48,703.07

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Solution

The fourth proportional to 88,990.25, 122,804.71 and 48,703.07 is: 67,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,990.25 : 122,804.71 = 48,703.07 : x
  2. Step 2: Convert to fraction form
    88,990.25/122,804.71 = 48,703.07/x
  3. Step 3: Cross multiply
    88,990.25x = 122,804.71 × 48,703.07
  4. Step 4: Simplify right side
    88,990.25x = 5,980,966,572.71
  5. Step 5: Solve for x
    x = 5,980,966,572.71/88,990.25
  6. Step 6: Final answer
    x = 67,209.24

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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.