Home / 72,258.66-99,701.94-49,589.35

Finding the Fourth Proportional to 72,258.66, 99,701.94 and 49,589.35

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Solution

The fourth proportional to 72,258.66, 99,701.94 and 49,589.35 is: 68,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,258.66 : 99,701.94 = 49,589.35 : x
  2. Step 2: Convert to fraction form
    72,258.66/99,701.94 = 49,589.35/x
  3. Step 3: Cross multiply
    72,258.66x = 99,701.94 × 49,589.35
  4. Step 4: Simplify right side
    72,258.66x = 4,944,154,398.34
  5. Step 5: Solve for x
    x = 4,944,154,398.34/72,258.66
  6. Step 6: Final answer
    x = 68,423.00

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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.