Home / 88,686.40-133,029.60-26,356.90

Finding the Fourth Proportional to 88,686.40, 133,029.60 and 26,356.90

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Solution

The fourth proportional to 88,686.40, 133,029.60 and 26,356.90 is: 39,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,686.40 : 133,029.60 = 26,356.90 : x
  2. Step 2: Convert to fraction form
    88,686.40/133,029.60 = 26,356.90/x
  3. Step 3: Cross multiply
    88,686.40x = 133,029.60 × 26,356.90
  4. Step 4: Simplify right side
    88,686.40x = 3,506,247,864.24
  5. Step 5: Solve for x
    x = 3,506,247,864.24/88,686.40
  6. Step 6: Final answer
    x = 39,535.35

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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.