Home / 48,075.12-72,014.76-39,222

Finding the Fourth Proportional to 48,075.12, 72,014.76 and 39,222

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Solution

The fourth proportional to 48,075.12, 72,014.76 and 39,222 is: 58,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,075.12 : 72,014.76 = 39,222 : x
  2. Step 2: Convert to fraction form
    48,075.12/72,014.76 = 39,222/x
  3. Step 3: Cross multiply
    48,075.12x = 72,014.76 × 39,222
  4. Step 4: Simplify right side
    48,075.12x = 2,824,562,916.72
  5. Step 5: Solve for x
    x = 2,824,562,916.72/48,075.12
  6. Step 6: Final answer
    x = 58,753.11

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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.