Home / 98,875.53-136,448.64-53,554.05

Finding the Fourth Proportional to 98,875.53, 136,448.64 and 53,554.05

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Solution

The fourth proportional to 98,875.53, 136,448.64 and 53,554.05 is: 73,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,875.53 : 136,448.64 = 53,554.05 : x
  2. Step 2: Convert to fraction form
    98,875.53/136,448.64 = 53,554.05/x
  3. Step 3: Cross multiply
    98,875.53x = 136,448.64 × 53,554.05
  4. Step 4: Simplify right side
    98,875.53x = 7,307,377,288.99
  5. Step 5: Solve for x
    x = 7,307,377,288.99/98,875.53
  6. Step 6: Final answer
    x = 73,904.81

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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.