Home / 98,715.04-136,226.77-53,393.03

Finding the Fourth Proportional to 98,715.04, 136,226.77 and 53,393.03

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Solution

The fourth proportional to 98,715.04, 136,226.77 and 53,393.03 is: 73,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,715.04 : 136,226.77 = 53,393.03 : x
  2. Step 2: Convert to fraction form
    98,715.04/136,226.77 = 53,393.03/x
  3. Step 3: Cross multiply
    98,715.04x = 136,226.77 × 53,393.03
  4. Step 4: Simplify right side
    98,715.04x = 7,273,559,069.31
  5. Step 5: Solve for x
    x = 7,273,559,069.31/98,715.04
  6. Step 6: Final answer
    x = 73,682.38

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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.