Home / 88,745.52-122,437.44-56,931.60

Finding the Fourth Proportional to 88,745.52, 122,437.44 and 56,931.60

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Solution

The fourth proportional to 88,745.52, 122,437.44 and 56,931.60 is: 78,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,745.52 : 122,437.44 = 56,931.60 : x
  2. Step 2: Convert to fraction form
    88,745.52/122,437.44 = 56,931.60/x
  3. Step 3: Cross multiply
    88,745.52x = 122,437.44 × 56,931.60
  4. Step 4: Simplify right side
    88,745.52x = 6,970,559,359.10
  5. Step 5: Solve for x
    x = 6,970,559,359.10/88,745.52
  6. Step 6: Final answer
    x = 78,545.48

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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.