Home / 61,340.40-91,562.95-52,631.28

Finding the Fourth Proportional to 61,340.40, 91,562.95 and 52,631.28

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Solution

The fourth proportional to 61,340.40, 91,562.95 and 52,631.28 is: 78,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,340.40 : 91,562.95 = 52,631.28 : x
  2. Step 2: Convert to fraction form
    61,340.40/91,562.95 = 52,631.28/x
  3. Step 3: Cross multiply
    61,340.40x = 91,562.95 × 52,631.28
  4. Step 4: Simplify right side
    61,340.40x = 4,819,075,259.08
  5. Step 5: Solve for x
    x = 4,819,075,259.08/61,340.40
  6. Step 6: Final answer
    x = 78,562.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.