Home / 88,720.04-122,495.10-83,073.80

Finding the Fourth Proportional to 88,720.04, 122,495.10 and 83,073.80

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Solution

The fourth proportional to 88,720.04, 122,495.10 and 83,073.80 is: 114,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.04 : 122,495.10 = 83,073.80 : x
  2. Step 2: Convert to fraction form
    88,720.04/122,495.10 = 83,073.80/x
  3. Step 3: Cross multiply
    88,720.04x = 122,495.10 × 83,073.80
  4. Step 4: Simplify right side
    88,720.04x = 10,176,133,438.38
  5. Step 5: Solve for x
    x = 10,176,133,438.38/88,720.04
  6. Step 6: Final answer
    x = 114,699.38

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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.