Home / 89,328.98-133,818.28-51,810.24

Finding the Fourth Proportional to 89,328.98, 133,818.28 and 51,810.24

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Solution

The fourth proportional to 89,328.98, 133,818.28 and 51,810.24 is: 77,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328.98 : 133,818.28 = 51,810.24 : x
  2. Step 2: Convert to fraction form
    89,328.98/133,818.28 = 51,810.24/x
  3. Step 3: Cross multiply
    89,328.98x = 133,818.28 × 51,810.24
  4. Step 4: Simplify right side
    89,328.98x = 6,933,157,203.19
  5. Step 5: Solve for x
    x = 6,933,157,203.19/89,328.98
  6. Step 6: Final answer
    x = 77,613.75

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1.5x scale

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.