Home / 90,677.66-125,003.29-63,368.96

Finding the Fourth Proportional to 90,677.66, 125,003.29 and 63,368.96

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Solution

The fourth proportional to 90,677.66, 125,003.29 and 63,368.96 is: 87,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,677.66 : 125,003.29 = 63,368.96 : x
  2. Step 2: Convert to fraction form
    90,677.66/125,003.29 = 63,368.96/x
  3. Step 3: Cross multiply
    90,677.66x = 125,003.29 × 63,368.96
  4. Step 4: Simplify right side
    90,677.66x = 7,921,328,522.40
  5. Step 5: Solve for x
    x = 7,921,328,522.40/90,677.66
  6. Step 6: Final answer
    x = 87,357.00

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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.