Home / 70,943.14-97,905.95-39,111.99

Finding the Fourth Proportional to 70,943.14, 97,905.95 and 39,111.99

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Solution

The fourth proportional to 70,943.14, 97,905.95 and 39,111.99 is: 53,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.14 : 97,905.95 = 39,111.99 : x
  2. Step 2: Convert to fraction form
    70,943.14/97,905.95 = 39,111.99/x
  3. Step 3: Cross multiply
    70,943.14x = 97,905.95 × 39,111.99
  4. Step 4: Simplify right side
    70,943.14x = 3,829,296,537.34
  5. Step 5: Solve for x
    x = 3,829,296,537.34/70,943.14
  6. Step 6: Final answer
    x = 53,976.98

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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.