Home / 90,832.50-125,348.85-51,088.50

Finding the Fourth Proportional to 90,832.50, 125,348.85 and 51,088.50

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Solution

The fourth proportional to 90,832.50, 125,348.85 and 51,088.50 is: 70,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.50 : 125,348.85 = 51,088.50 : x
  2. Step 2: Convert to fraction form
    90,832.50/125,348.85 = 51,088.50/x
  3. Step 3: Cross multiply
    90,832.50x = 125,348.85 × 51,088.50
  4. Step 4: Simplify right side
    90,832.50x = 6,403,884,723.23
  5. Step 5: Solve for x
    x = 6,403,884,723.23/90,832.50
  6. Step 6: Final answer
    x = 70,502.13

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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.