Home / 89,924.10-134,870.80-29,945.76

Finding the Fourth Proportional to 89,924.10, 134,870.80 and 29,945.76

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Solution

The fourth proportional to 89,924.10, 134,870.80 and 29,945.76 is: 44,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,924.10 : 134,870.80 = 29,945.76 : x
  2. Step 2: Convert to fraction form
    89,924.10/134,870.80 = 29,945.76/x
  3. Step 3: Cross multiply
    89,924.10x = 134,870.80 × 29,945.76
  4. Step 4: Simplify right side
    89,924.10x = 4,038,808,607.81
  5. Step 5: Solve for x
    x = 4,038,808,607.81/89,924.10
  6. Step 6: Final answer
    x = 44,913.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.