Home / 89,011.76-133,370.16-62,587.40

Finding the Fourth Proportional to 89,011.76, 133,370.16 and 62,587.40

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Solution

The fourth proportional to 89,011.76, 133,370.16 and 62,587.40 is: 93,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.76 : 133,370.16 = 62,587.40 : x
  2. Step 2: Convert to fraction form
    89,011.76/133,370.16 = 62,587.40/x
  3. Step 3: Cross multiply
    89,011.76x = 133,370.16 × 62,587.40
  4. Step 4: Simplify right side
    89,011.76x = 8,347,291,551.98
  5. Step 5: Solve for x
    x = 8,347,291,551.98/89,011.76
  6. Step 6: Final answer
    x = 93,777.40

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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.