Home / 90,488.07-124,888.52-50,214.77

Finding the Fourth Proportional to 90,488.07, 124,888.52 and 50,214.77

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Solution

The fourth proportional to 90,488.07, 124,888.52 and 50,214.77 is: 69,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488.07 : 124,888.52 = 50,214.77 : x
  2. Step 2: Convert to fraction form
    90,488.07/124,888.52 = 50,214.77/x
  3. Step 3: Cross multiply
    90,488.07x = 124,888.52 × 50,214.77
  4. Step 4: Simplify right side
    90,488.07x = 6,271,247,683.00
  5. Step 5: Solve for x
    x = 6,271,247,683.00/90,488.07
  6. Step 6: Final answer
    x = 69,304.69

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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.