Home / 88,909.48-122,697.35-53,120.17

Finding the Fourth Proportional to 88,909.48, 122,697.35 and 53,120.17

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Solution

The fourth proportional to 88,909.48, 122,697.35 and 53,120.17 is: 73,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,909.48 : 122,697.35 = 53,120.17 : x
  2. Step 2: Convert to fraction form
    88,909.48/122,697.35 = 53,120.17/x
  3. Step 3: Cross multiply
    88,909.48x = 122,697.35 × 53,120.17
  4. Step 4: Simplify right side
    88,909.48x = 6,517,704,090.55
  5. Step 5: Solve for x
    x = 6,517,704,090.55/88,909.48
  6. Step 6: Final answer
    x = 73,307.19

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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.