Home / 99,513.20-149,075.40-59,952.80

Finding the Fourth Proportional to 99,513.20, 149,075.40 and 59,952.80

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Solution

The fourth proportional to 99,513.20, 149,075.40 and 59,952.80 is: 89,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513.20 : 149,075.40 = 59,952.80 : x
  2. Step 2: Convert to fraction form
    99,513.20/149,075.40 = 59,952.80/x
  3. Step 3: Cross multiply
    99,513.20x = 149,075.40 × 59,952.80
  4. Step 4: Simplify right side
    99,513.20x = 8,937,487,641.12
  5. Step 5: Solve for x
    x = 8,937,487,641.12/99,513.20
  6. Step 6: Final answer
    x = 89,812.08

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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.