Home / 88,712.04-133,117.74-47,157.96

Finding the Fourth Proportional to 88,712.04, 133,117.74 and 47,157.96

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Solution

The fourth proportional to 88,712.04, 133,117.74 and 47,157.96 is: 70,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.04 : 133,117.74 = 47,157.96 : x
  2. Step 2: Convert to fraction form
    88,712.04/133,117.74 = 47,157.96/x
  3. Step 3: Cross multiply
    88,712.04x = 133,117.74 × 47,157.96
  4. Step 4: Simplify right side
    88,712.04x = 6,277,561,058.21
  5. Step 5: Solve for x
    x = 6,277,561,058.21/88,712.04
  6. Step 6: Final answer
    x = 70,763.35

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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.