Home / 79,547.35-119,321.03-66,522.55

Finding the Fourth Proportional to 79,547.35, 119,321.03 and 66,522.55

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Solution

The fourth proportional to 79,547.35, 119,321.03 and 66,522.55 is: 99,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.35 : 119,321.03 = 66,522.55 : x
  2. Step 2: Convert to fraction form
    79,547.35/119,321.03 = 66,522.55/x
  3. Step 3: Cross multiply
    79,547.35x = 119,321.03 × 66,522.55
  4. Step 4: Simplify right side
    79,547.35x = 7,937,538,851.61
  5. Step 5: Solve for x
    x = 7,937,538,851.61/79,547.35
  6. Step 6: Final answer
    x = 99,783.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.