Home / 71,370.23-98,332.31-47,128.14

Finding the Fourth Proportional to 71,370.23, 98,332.31 and 47,128.14

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Solution

The fourth proportional to 71,370.23, 98,332.31 and 47,128.14 is: 64,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370.23 : 98,332.31 = 47,128.14 : x
  2. Step 2: Convert to fraction form
    71,370.23/98,332.31 = 47,128.14/x
  3. Step 3: Cross multiply
    71,370.23x = 98,332.31 × 47,128.14
  4. Step 4: Simplify right side
    71,370.23x = 4,634,218,990.02
  5. Step 5: Solve for x
    x = 4,634,218,990.02/71,370.23
  6. Step 6: Final answer
    x = 64,932.11

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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.