Home / 91,577.12-137,401.02-35,401.64

Finding the Fourth Proportional to 91,577.12, 137,401.02 and 35,401.64

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Solution

The fourth proportional to 91,577.12, 137,401.02 and 35,401.64 is: 53,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,577.12 : 137,401.02 = 35,401.64 : x
  2. Step 2: Convert to fraction form
    91,577.12/137,401.02 = 35,401.64/x
  3. Step 3: Cross multiply
    91,577.12x = 137,401.02 × 35,401.64
  4. Step 4: Simplify right side
    91,577.12x = 4,864,221,445.67
  5. Step 5: Solve for x
    x = 4,864,221,445.67/91,577.12
  6. Step 6: Final answer
    x = 53,116.12

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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.