Home / 90,098.60-124,325.89-49,802.18

Finding the Fourth Proportional to 90,098.60, 124,325.89 and 49,802.18

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Solution

The fourth proportional to 90,098.60, 124,325.89 and 49,802.18 is: 68,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.60 : 124,325.89 = 49,802.18 : x
  2. Step 2: Convert to fraction form
    90,098.60/124,325.89 = 49,802.18/x
  3. Step 3: Cross multiply
    90,098.60x = 124,325.89 × 49,802.18
  4. Step 4: Simplify right side
    90,098.60x = 6,191,699,606.31
  5. Step 5: Solve for x
    x = 6,191,699,606.31/90,098.60
  6. Step 6: Final answer
    x = 68,721.38

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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.