Home / 70,070.84-105,043.75-25,687.23

Finding the Fourth Proportional to 70,070.84, 105,043.75 and 25,687.23

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Solution

The fourth proportional to 70,070.84, 105,043.75 and 25,687.23 is: 38,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.84 : 105,043.75 = 25,687.23 : x
  2. Step 2: Convert to fraction form
    70,070.84/105,043.75 = 25,687.23/x
  3. Step 3: Cross multiply
    70,070.84x = 105,043.75 × 25,687.23
  4. Step 4: Simplify right side
    70,070.84x = 2,698,282,508.18
  5. Step 5: Solve for x
    x = 2,698,282,508.18/70,070.84
  6. Step 6: Final answer
    x = 38,507.92

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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.