Home / 89,125.77-133,598.65-55,869.15

Finding the Fourth Proportional to 89,125.77, 133,598.65 and 55,869.15

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Solution

The fourth proportional to 89,125.77, 133,598.65 and 55,869.15 is: 83,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.77 : 133,598.65 = 55,869.15 : x
  2. Step 2: Convert to fraction form
    89,125.77/133,598.65 = 55,869.15/x
  3. Step 3: Cross multiply
    89,125.77x = 133,598.65 × 55,869.15
  4. Step 4: Simplify right side
    89,125.77x = 7,464,042,779.81
  5. Step 5: Solve for x
    x = 7,464,042,779.81/89,125.77
  6. Step 6: Final answer
    x = 83,747.30

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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.