Home / 70,862.13-97,790.01-39,030.95

Finding the Fourth Proportional to 70,862.13, 97,790.01 and 39,030.95

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Solution

The fourth proportional to 70,862.13, 97,790.01 and 39,030.95 is: 53,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862.13 : 97,790.01 = 39,030.95 : x
  2. Step 2: Convert to fraction form
    70,862.13/97,790.01 = 39,030.95/x
  3. Step 3: Cross multiply
    70,862.13x = 97,790.01 × 39,030.95
  4. Step 4: Simplify right side
    70,862.13x = 3,816,837,235.28
  5. Step 5: Solve for x
    x = 3,816,837,235.28/70,862.13
  6. Step 6: Final answer
    x = 53,862.86

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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.