Home / 88,643.72-122,353.80-52,378.76

Finding the Fourth Proportional to 88,643.72, 122,353.80 and 52,378.76

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Solution

The fourth proportional to 88,643.72, 122,353.80 and 52,378.76 is: 72,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.72 : 122,353.80 = 52,378.76 : x
  2. Step 2: Convert to fraction form
    88,643.72/122,353.80 = 52,378.76/x
  3. Step 3: Cross multiply
    88,643.72x = 122,353.80 × 52,378.76
  4. Step 4: Simplify right side
    88,643.72x = 6,408,740,325.29
  5. Step 5: Solve for x
    x = 6,408,740,325.29/88,643.72
  6. Step 6: Final answer
    x = 72,297.74

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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.