Home / 97,019.12-133,886.17-54,577.65

Finding the Fourth Proportional to 97,019.12, 133,886.17 and 54,577.65

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Solution

The fourth proportional to 97,019.12, 133,886.17 and 54,577.65 is: 75,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019.12 : 133,886.17 = 54,577.65 : x
  2. Step 2: Convert to fraction form
    97,019.12/133,886.17 = 54,577.65/x
  3. Step 3: Cross multiply
    97,019.12x = 133,886.17 × 54,577.65
  4. Step 4: Simplify right side
    97,019.12x = 7,307,192,526.10
  5. Step 5: Solve for x
    x = 7,307,192,526.10/97,019.12
  6. Step 6: Final answer
    x = 75,317.04

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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.