Home / 94,009.34-129,730.50-53,720.54

Finding the Fourth Proportional to 94,009.34, 129,730.50 and 53,720.54

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Solution

The fourth proportional to 94,009.34, 129,730.50 and 53,720.54 is: 74,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,009.34 : 129,730.50 = 53,720.54 : x
  2. Step 2: Convert to fraction form
    94,009.34/129,730.50 = 53,720.54/x
  3. Step 3: Cross multiply
    94,009.34x = 129,730.50 × 53,720.54
  4. Step 4: Simplify right side
    94,009.34x = 6,969,192,514.47
  5. Step 5: Solve for x
    x = 6,969,192,514.47/94,009.34
  6. Step 6: Final answer
    x = 74,132.98

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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.