Home / 90,528.13-124,928.96-50,240.86

Finding the Fourth Proportional to 90,528.13, 124,928.96 and 50,240.86

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Solution

The fourth proportional to 90,528.13, 124,928.96 and 50,240.86 is: 69,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.13 : 124,928.96 = 50,240.86 : x
  2. Step 2: Convert to fraction form
    90,528.13/124,928.96 = 50,240.86/x
  3. Step 3: Cross multiply
    90,528.13x = 124,928.96 × 50,240.86
  4. Step 4: Simplify right side
    90,528.13x = 6,276,537,967.08
  5. Step 5: Solve for x
    x = 6,276,537,967.08/90,528.13
  6. Step 6: Final answer
    x = 69,332.46

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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.