Home / 65,423.08-98,068.98-30,387.34

Finding the Fourth Proportional to 65,423.08, 98,068.98 and 30,387.34

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Solution

The fourth proportional to 65,423.08, 98,068.98 and 30,387.34 is: 45,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,423.08 : 98,068.98 = 30,387.34 : x
  2. Step 2: Convert to fraction form
    65,423.08/98,068.98 = 30,387.34/x
  3. Step 3: Cross multiply
    65,423.08x = 98,068.98 × 30,387.34
  4. Step 4: Simplify right side
    65,423.08x = 2,980,055,438.71
  5. Step 5: Solve for x
    x = 2,980,055,438.71/65,423.08
  6. Step 6: Final answer
    x = 45,550.52

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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.