Home / 71,316.90-98,418.69-42,666.06

Finding the Fourth Proportional to 71,316.90, 98,418.69 and 42,666.06

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Solution

The fourth proportional to 71,316.90, 98,418.69 and 42,666.06 is: 58,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.90 : 98,418.69 = 42,666.06 : x
  2. Step 2: Convert to fraction form
    71,316.90/98,418.69 = 42,666.06/x
  3. Step 3: Cross multiply
    71,316.90x = 98,418.69 × 42,666.06
  4. Step 4: Simplify right side
    71,316.90x = 4,199,137,732.66
  5. Step 5: Solve for x
    x = 4,199,137,732.66/71,316.90
  6. Step 6: Final answer
    x = 58,879.98

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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.