Home / 89,409.04-123,386.54-49,125.32

Finding the Fourth Proportional to 89,409.04, 123,386.54 and 49,125.32

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Solution

The fourth proportional to 89,409.04, 123,386.54 and 49,125.32 is: 67,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,409.04 : 123,386.54 = 49,125.32 : x
  2. Step 2: Convert to fraction form
    89,409.04/123,386.54 = 49,125.32/x
  3. Step 3: Cross multiply
    89,409.04x = 123,386.54 × 49,125.32
  4. Step 4: Simplify right side
    89,409.04x = 6,061,403,261.19
  5. Step 5: Solve for x
    x = 6,061,403,261.19/89,409.04
  6. Step 6: Final answer
    x = 67,794.08

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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.