Home / 88,200.36-121,697.28-52,402.32

Finding the Fourth Proportional to 88,200.36, 121,697.28 and 52,402.32

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Solution

The fourth proportional to 88,200.36, 121,697.28 and 52,402.32 is: 72,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200.36 : 121,697.28 = 52,402.32 : x
  2. Step 2: Convert to fraction form
    88,200.36/121,697.28 = 52,402.32/x
  3. Step 3: Cross multiply
    88,200.36x = 121,697.28 × 52,402.32
  4. Step 4: Simplify right side
    88,200.36x = 6,377,219,809.69
  5. Step 5: Solve for x
    x = 6,377,219,809.69/88,200.36
  6. Step 6: Final answer
    x = 72,303.78

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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.