Home / 67,026.08-99,810.28-66,289.79

Finding the Fourth Proportional to 67,026.08, 99,810.28 and 66,289.79

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Solution

The fourth proportional to 67,026.08, 99,810.28 and 66,289.79 is: 98,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,026.08 : 99,810.28 = 66,289.79 : x
  2. Step 2: Convert to fraction form
    67,026.08/99,810.28 = 66,289.79/x
  3. Step 3: Cross multiply
    67,026.08x = 99,810.28 × 66,289.79
  4. Step 4: Simplify right side
    67,026.08x = 6,616,402,460.55
  5. Step 5: Solve for x
    x = 6,616,402,460.55/67,026.08
  6. Step 6: Final answer
    x = 98,713.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.