Home / 90,038.88-124,253.37-49,752.45

Finding the Fourth Proportional to 90,038.88, 124,253.37 and 49,752.45

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Solution

The fourth proportional to 90,038.88, 124,253.37 and 49,752.45 is: 68,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,038.88 : 124,253.37 = 49,752.45 : x
  2. Step 2: Convert to fraction form
    90,038.88/124,253.37 = 49,752.45/x
  3. Step 3: Cross multiply
    90,038.88x = 124,253.37 × 49,752.45
  4. Step 4: Simplify right side
    90,038.88x = 6,181,909,578.26
  5. Step 5: Solve for x
    x = 6,181,909,578.26/90,038.88
  6. Step 6: Final answer
    x = 68,658.22

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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.