Home / 90,032.04-124,243.74-49,748.58

Finding the Fourth Proportional to 90,032.04, 124,243.74 and 49,748.58

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Solution

The fourth proportional to 90,032.04, 124,243.74 and 49,748.58 is: 68,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,032.04 : 124,243.74 = 49,748.58 : x
  2. Step 2: Convert to fraction form
    90,032.04/124,243.74 = 49,748.58/x
  3. Step 3: Cross multiply
    90,032.04x = 124,243.74 × 49,748.58
  4. Step 4: Simplify right side
    90,032.04x = 6,180,949,638.89
  5. Step 5: Solve for x
    x = 6,180,949,638.89/90,032.04
  6. Step 6: Final answer
    x = 68,652.78

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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.