Home / 61,365.40-91,900.48-34,990.18

Finding the Fourth Proportional to 61,365.40, 91,900.48 and 34,990.18

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Solution

The fourth proportional to 61,365.40, 91,900.48 and 34,990.18 is: 52,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,365.40 : 91,900.48 = 34,990.18 : x
  2. Step 2: Convert to fraction form
    61,365.40/91,900.48 = 34,990.18/x
  3. Step 3: Cross multiply
    61,365.40x = 91,900.48 × 34,990.18
  4. Step 4: Simplify right side
    61,365.40x = 3,215,614,337.29
  5. Step 5: Solve for x
    x = 3,215,614,337.29/61,365.40
  6. Step 6: Final answer
    x = 52,401.10

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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.