Home / 70,784.18-106,066.08-26,399

Finding the Fourth Proportional to 70,784.18, 106,066.08 and 26,399

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Solution

The fourth proportional to 70,784.18, 106,066.08 and 26,399 is: 39,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.18 : 106,066.08 = 26,399 : x
  2. Step 2: Convert to fraction form
    70,784.18/106,066.08 = 26,399/x
  3. Step 3: Cross multiply
    70,784.18x = 106,066.08 × 26,399
  4. Step 4: Simplify right side
    70,784.18x = 2,800,038,445.92
  5. Step 5: Solve for x
    x = 2,800,038,445.92/70,784.18
  6. Step 6: Final answer
    x = 39,557.40

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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.