Home / 70,943.58-97,902.81-39,113.61

Finding the Fourth Proportional to 70,943.58, 97,902.81 and 39,113.61

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Solution

The fourth proportional to 70,943.58, 97,902.81 and 39,113.61 is: 53,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.58 : 97,902.81 = 39,113.61 : x
  2. Step 2: Convert to fraction form
    70,943.58/97,902.81 = 39,113.61/x
  3. Step 3: Cross multiply
    70,943.58x = 97,902.81 × 39,113.61
  4. Step 4: Simplify right side
    70,943.58x = 3,829,332,328.24
  5. Step 5: Solve for x
    x = 3,829,332,328.24/70,943.58
  6. Step 6: Final answer
    x = 53,977.15

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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.