Home / 84,058.91-115,841.76-60,143.93

Finding the Fourth Proportional to 84,058.91, 115,841.76 and 60,143.93

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Solution

The fourth proportional to 84,058.91, 115,841.76 and 60,143.93 is: 82,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,058.91 : 115,841.76 = 60,143.93 : x
  2. Step 2: Convert to fraction form
    84,058.91/115,841.76 = 60,143.93/x
  3. Step 3: Cross multiply
    84,058.91x = 115,841.76 × 60,143.93
  4. Step 4: Simplify right side
    84,058.91x = 6,967,178,125.31
  5. Step 5: Solve for x
    x = 6,967,178,125.31/84,058.91
  6. Step 6: Final answer
    x = 82,884.47

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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.