Home / 97,082.65-133,973.78-54,641.18

Finding the Fourth Proportional to 97,082.65, 133,973.78 and 54,641.18

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Solution

The fourth proportional to 97,082.65, 133,973.78 and 54,641.18 is: 75,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,082.65 : 133,973.78 = 54,641.18 : x
  2. Step 2: Convert to fraction form
    97,082.65/133,973.78 = 54,641.18/x
  3. Step 3: Cross multiply
    97,082.65x = 133,973.78 × 54,641.18
  4. Step 4: Simplify right side
    97,082.65x = 7,320,484,485.19
  5. Step 5: Solve for x
    x = 7,320,484,485.19/97,082.65
  6. Step 6: Final answer
    x = 75,404.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.