Home / 88,855.20-133,066.80-47,210.40

Finding the Fourth Proportional to 88,855.20, 133,066.80 and 47,210.40

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Solution

The fourth proportional to 88,855.20, 133,066.80 and 47,210.40 is: 70,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.20 : 133,066.80 = 47,210.40 : x
  2. Step 2: Convert to fraction form
    88,855.20/133,066.80 = 47,210.40/x
  3. Step 3: Cross multiply
    88,855.20x = 133,066.80 × 47,210.40
  4. Step 4: Simplify right side
    88,855.20x = 6,282,136,854.72
  5. Step 5: Solve for x
    x = 6,282,136,854.72/88,855.20
  6. Step 6: Final answer
    x = 70,700.84

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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.