Home / 98,875.49-136,447.84-53,553.35

Finding the Fourth Proportional to 98,875.49, 136,447.84 and 53,553.35

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Solution

The fourth proportional to 98,875.49, 136,447.84 and 53,553.35 is: 73,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,875.49 : 136,447.84 = 53,553.35 : x
  2. Step 2: Convert to fraction form
    98,875.49/136,447.84 = 53,553.35/x
  3. Step 3: Cross multiply
    98,875.49x = 136,447.84 × 53,553.35
  4. Step 4: Simplify right side
    98,875.49x = 7,307,239,340.33
  5. Step 5: Solve for x
    x = 7,307,239,340.33/98,875.49
  6. Step 6: Final answer
    x = 73,903.45

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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.