Home / 67,977.24-93,575.70-58,971.72

Finding the Fourth Proportional to 67,977.24, 93,575.70 and 58,971.72

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Solution

The fourth proportional to 67,977.24, 93,575.70 and 58,971.72 is: 81,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,977.24 : 93,575.70 = 58,971.72 : x
  2. Step 2: Convert to fraction form
    67,977.24/93,575.70 = 58,971.72/x
  3. Step 3: Cross multiply
    67,977.24x = 93,575.70 × 58,971.72
  4. Step 4: Simplify right side
    67,977.24x = 5,518,319,979.20
  5. Step 5: Solve for x
    x = 5,518,319,979.20/67,977.24
  6. Step 6: Final answer
    x = 81,178.94

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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.