Home / 90,903.29-125,508.12-56,925.41

Finding the Fourth Proportional to 90,903.29, 125,508.12 and 56,925.41

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Solution

The fourth proportional to 90,903.29, 125,508.12 and 56,925.41 is: 78,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,903.29 : 125,508.12 = 56,925.41 : x
  2. Step 2: Convert to fraction form
    90,903.29/125,508.12 = 56,925.41/x
  3. Step 3: Cross multiply
    90,903.29x = 125,508.12 × 56,925.41
  4. Step 4: Simplify right side
    90,903.29x = 7,144,601,189.33
  5. Step 5: Solve for x
    x = 7,144,601,189.33/90,903.29
  6. Step 6: Final answer
    x = 78,595.63

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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.