Home / 98,767.68-136,298.40-53,444.64

Finding the Fourth Proportional to 98,767.68, 136,298.40 and 53,444.64

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Solution

The fourth proportional to 98,767.68, 136,298.40 and 53,444.64 is: 73,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,767.68 : 136,298.40 = 53,444.64 : x
  2. Step 2: Convert to fraction form
    98,767.68/136,298.40 = 53,444.64/x
  3. Step 3: Cross multiply
    98,767.68x = 136,298.40 × 53,444.64
  4. Step 4: Simplify right side
    98,767.68x = 7,284,418,920.58
  5. Step 5: Solve for x
    x = 7,284,418,920.58/98,767.68
  6. Step 6: Final answer
    x = 73,753.06

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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.