Home / 90,263.84-124,567.99-49,977.60

Finding the Fourth Proportional to 90,263.84, 124,567.99 and 49,977.60

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Solution

The fourth proportional to 90,263.84, 124,567.99 and 49,977.60 is: 68,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.84 : 124,567.99 = 49,977.60 : x
  2. Step 2: Convert to fraction form
    90,263.84/124,567.99 = 49,977.60/x
  3. Step 3: Cross multiply
    90,263.84x = 124,567.99 × 49,977.60
  4. Step 4: Simplify right side
    90,263.84x = 6,225,609,177.02
  5. Step 5: Solve for x
    x = 6,225,609,177.02/90,263.84
  6. Step 6: Final answer
    x = 68,971.24

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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.