Home / 89,707.75-123,802.37-49,421.59

Finding the Fourth Proportional to 89,707.75, 123,802.37 and 49,421.59

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Solution

The fourth proportional to 89,707.75, 123,802.37 and 49,421.59 is: 68,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707.75 : 123,802.37 = 49,421.59 : x
  2. Step 2: Convert to fraction form
    89,707.75/123,802.37 = 49,421.59/x
  3. Step 3: Cross multiply
    89,707.75x = 123,802.37 × 49,421.59
  4. Step 4: Simplify right side
    89,707.75x = 6,118,509,971.17
  5. Step 5: Solve for x
    x = 6,118,509,971.17/89,707.75
  6. Step 6: Final answer
    x = 68,204.92

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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.