Home / 72,317.53-108,435.67-49,547.08

Finding the Fourth Proportional to 72,317.53, 108,435.67 and 49,547.08

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Solution

The fourth proportional to 72,317.53, 108,435.67 and 49,547.08 is: 74,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,317.53 : 108,435.67 = 49,547.08 : x
  2. Step 2: Convert to fraction form
    72,317.53/108,435.67 = 49,547.08/x
  3. Step 3: Cross multiply
    72,317.53x = 108,435.67 × 49,547.08
  4. Step 4: Simplify right side
    72,317.53x = 5,372,670,421.39
  5. Step 5: Solve for x
    x = 5,372,670,421.39/72,317.53
  6. Step 6: Final answer
    x = 74,292.78

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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.