Home / 84,493.81-116,607.07-48,686.12

Finding the Fourth Proportional to 84,493.81, 116,607.07 and 48,686.12

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Solution

The fourth proportional to 84,493.81, 116,607.07 and 48,686.12 is: 67,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,493.81 : 116,607.07 = 48,686.12 : x
  2. Step 2: Convert to fraction form
    84,493.81/116,607.07 = 48,686.12/x
  3. Step 3: Cross multiply
    84,493.81x = 116,607.07 × 48,686.12
  4. Step 4: Simplify right side
    84,493.81x = 5,677,145,717.97
  5. Step 5: Solve for x
    x = 5,677,145,717.97/84,493.81
  6. Step 6: Final answer
    x = 67,190.08

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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.