Home / 90,772.43-125,258.51-52,534.77

Finding the Fourth Proportional to 90,772.43, 125,258.51 and 52,534.77

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Solution

The fourth proportional to 90,772.43, 125,258.51 and 52,534.77 is: 72,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772.43 : 125,258.51 = 52,534.77 : x
  2. Step 2: Convert to fraction form
    90,772.43/125,258.51 = 52,534.77/x
  3. Step 3: Cross multiply
    90,772.43x = 125,258.51 × 52,534.77
  4. Step 4: Simplify right side
    90,772.43x = 6,580,426,750.72
  5. Step 5: Solve for x
    x = 6,580,426,750.72/90,772.43
  6. Step 6: Final answer
    x = 72,493.68

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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.