Home / 92,430.74-127,554.43-49,989.28

Finding the Fourth Proportional to 92,430.74, 127,554.43 and 49,989.28

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Solution

The fourth proportional to 92,430.74, 127,554.43 and 49,989.28 is: 68,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.74 : 127,554.43 = 49,989.28 : x
  2. Step 2: Convert to fraction form
    92,430.74/127,554.43 = 49,989.28/x
  3. Step 3: Cross multiply
    92,430.74x = 127,554.43 × 49,989.28
  4. Step 4: Simplify right side
    92,430.74x = 6,376,353,386.62
  5. Step 5: Solve for x
    x = 6,376,353,386.62/92,430.74
  6. Step 6: Final answer
    x = 68,985.20

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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.