Home / 70,928.13-97,881.49-39,098.17

Finding the Fourth Proportional to 70,928.13, 97,881.49 and 39,098.17

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Solution

The fourth proportional to 70,928.13, 97,881.49 and 39,098.17 is: 53,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928.13 : 97,881.49 = 39,098.17 : x
  2. Step 2: Convert to fraction form
    70,928.13/97,881.49 = 39,098.17/x
  3. Step 3: Cross multiply
    70,928.13x = 97,881.49 × 39,098.17
  4. Step 4: Simplify right side
    70,928.13x = 3,826,986,646.47
  5. Step 5: Solve for x
    x = 3,826,986,646.47/70,928.13
  6. Step 6: Final answer
    x = 53,955.84

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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.