Home / 91,038.60-125,618.04-50,743.53

Finding the Fourth Proportional to 91,038.60, 125,618.04 and 50,743.53

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Solution

The fourth proportional to 91,038.60, 125,618.04 and 50,743.53 is: 70,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,038.60 : 125,618.04 = 50,743.53 : x
  2. Step 2: Convert to fraction form
    91,038.60/125,618.04 = 50,743.53/x
  3. Step 3: Cross multiply
    91,038.60x = 125,618.04 × 50,743.53
  4. Step 4: Simplify right side
    91,038.60x = 6,374,302,781.28
  5. Step 5: Solve for x
    x = 6,374,302,781.28/91,038.60
  6. Step 6: Final answer
    x = 70,017.58

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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.