Home / 90,417.44-124,775.87-50,130.15

Finding the Fourth Proportional to 90,417.44, 124,775.87 and 50,130.15

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Solution

The fourth proportional to 90,417.44, 124,775.87 and 50,130.15 is: 69,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,417.44 : 124,775.87 = 50,130.15 : x
  2. Step 2: Convert to fraction form
    90,417.44/124,775.87 = 50,130.15/x
  3. Step 3: Cross multiply
    90,417.44x = 124,775.87 × 50,130.15
  4. Step 4: Simplify right side
    90,417.44x = 6,255,032,828.83
  5. Step 5: Solve for x
    x = 6,255,032,828.83/90,417.44
  6. Step 6: Final answer
    x = 69,179.50

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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.