Home / 89,041.50-133,590.21-53,541.63

Finding the Fourth Proportional to 89,041.50, 133,590.21 and 53,541.63

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Solution

The fourth proportional to 89,041.50, 133,590.21 and 53,541.63 is: 80,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.50 : 133,590.21 = 53,541.63 : x
  2. Step 2: Convert to fraction form
    89,041.50/133,590.21 = 53,541.63/x
  3. Step 3: Cross multiply
    89,041.50x = 133,590.21 × 53,541.63
  4. Step 4: Simplify right side
    89,041.50x = 7,152,637,595.44
  5. Step 5: Solve for x
    x = 7,152,637,595.44/89,041.50
  6. Step 6: Final answer
    x = 80,329.26

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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.