Home / 79,349.04-109,507.66-45,358.88

Finding the Fourth Proportional to 79,349.04, 109,507.66 and 45,358.88

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Solution

The fourth proportional to 79,349.04, 109,507.66 and 45,358.88 is: 62,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,349.04 : 109,507.66 = 45,358.88 : x
  2. Step 2: Convert to fraction form
    79,349.04/109,507.66 = 45,358.88/x
  3. Step 3: Cross multiply
    79,349.04x = 109,507.66 × 45,358.88
  4. Step 4: Simplify right side
    79,349.04x = 4,967,144,809.02
  5. Step 5: Solve for x
    x = 4,967,144,809.02/79,349.04
  6. Step 6: Final answer
    x = 62,598.68

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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.