Home / 98,868.53-136,438.98-53,547.05

Finding the Fourth Proportional to 98,868.53, 136,438.98 and 53,547.05

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Solution

The fourth proportional to 98,868.53, 136,438.98 and 53,547.05 is: 73,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.53 : 136,438.98 = 53,547.05 : x
  2. Step 2: Convert to fraction form
    98,868.53/136,438.98 = 53,547.05/x
  3. Step 3: Cross multiply
    98,868.53x = 136,438.98 × 53,547.05
  4. Step 4: Simplify right side
    98,868.53x = 7,305,904,884.01
  5. Step 5: Solve for x
    x = 7,305,904,884.01/98,868.53
  6. Step 6: Final answer
    x = 73,895.15

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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.