Home / 88,685.40-133,028.10-26,355.90

Finding the Fourth Proportional to 88,685.40, 133,028.10 and 26,355.90

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Solution

The fourth proportional to 88,685.40, 133,028.10 and 26,355.90 is: 39,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.40 : 133,028.10 = 26,355.90 : x
  2. Step 2: Convert to fraction form
    88,685.40/133,028.10 = 26,355.90/x
  3. Step 3: Cross multiply
    88,685.40x = 133,028.10 × 26,355.90
  4. Step 4: Simplify right side
    88,685.40x = 3,506,075,300.79
  5. Step 5: Solve for x
    x = 3,506,075,300.79/88,685.40
  6. Step 6: Final answer
    x = 39,533.85

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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.