Home / 98,919.68-136,508.96-53,598.80

Finding the Fourth Proportional to 98,919.68, 136,508.96 and 53,598.80

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Solution

The fourth proportional to 98,919.68, 136,508.96 and 53,598.80 is: 73,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.68 : 136,508.96 = 53,598.80 : x
  2. Step 2: Convert to fraction form
    98,919.68/136,508.96 = 53,598.80/x
  3. Step 3: Cross multiply
    98,919.68x = 136,508.96 × 53,598.80
  4. Step 4: Simplify right side
    98,919.68x = 7,316,716,445.25
  5. Step 5: Solve for x
    x = 7,316,716,445.25/98,919.68
  6. Step 6: Final answer
    x = 73,966.24

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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.