Home / 52,510.12-72,461.78-28,636.36

Finding the Fourth Proportional to 52,510.12, 72,461.78 and 28,636.36

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Solution

The fourth proportional to 52,510.12, 72,461.78 and 28,636.36 is: 39,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.12 : 72,461.78 = 28,636.36 : x
  2. Step 2: Convert to fraction form
    52,510.12/72,461.78 = 28,636.36/x
  3. Step 3: Cross multiply
    52,510.12x = 72,461.78 × 28,636.36
  4. Step 4: Simplify right side
    52,510.12x = 2,075,041,618.32
  5. Step 5: Solve for x
    x = 2,075,041,618.32/52,510.12
  6. Step 6: Final answer
    x = 39,516.98

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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.