Home / 90,708.95-125,182.53-50,426.84

Finding the Fourth Proportional to 90,708.95, 125,182.53 and 50,426.84

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Solution

The fourth proportional to 90,708.95, 125,182.53 and 50,426.84 is: 69,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708.95 : 125,182.53 = 50,426.84 : x
  2. Step 2: Convert to fraction form
    90,708.95/125,182.53 = 50,426.84/x
  3. Step 3: Cross multiply
    90,708.95x = 125,182.53 × 50,426.84
  4. Step 4: Simplify right side
    90,708.95x = 6,312,559,411.11
  5. Step 5: Solve for x
    x = 6,312,559,411.11/90,708.95
  6. Step 6: Final answer
    x = 69,591.36

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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.