Home / 61,947.12-92,868.80-43,172.08

Finding the Fourth Proportional to 61,947.12, 92,868.80 and 43,172.08

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Solution

The fourth proportional to 61,947.12, 92,868.80 and 43,172.08 is: 64,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,947.12 : 92,868.80 = 43,172.08 : x
  2. Step 2: Convert to fraction form
    61,947.12/92,868.80 = 43,172.08/x
  3. Step 3: Cross multiply
    61,947.12x = 92,868.80 × 43,172.08
  4. Step 4: Simplify right side
    61,947.12x = 4,009,339,263.10
  5. Step 5: Solve for x
    x = 4,009,339,263.10/61,947.12
  6. Step 6: Final answer
    x = 64,721.96

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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.