Home / 90,393.76-124,730.28-50,107.50

Finding the Fourth Proportional to 90,393.76, 124,730.28 and 50,107.50

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Solution

The fourth proportional to 90,393.76, 124,730.28 and 50,107.50 is: 69,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,393.76 : 124,730.28 = 50,107.50 : x
  2. Step 2: Convert to fraction form
    90,393.76/124,730.28 = 50,107.50/x
  3. Step 3: Cross multiply
    90,393.76x = 124,730.28 × 50,107.50
  4. Step 4: Simplify right side
    90,393.76x = 6,249,922,505.10
  5. Step 5: Solve for x
    x = 6,249,922,505.10/90,393.76
  6. Step 6: Final answer
    x = 69,141.08

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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.