Home / 88,656.51-122,345.94-56,825.39

Finding the Fourth Proportional to 88,656.51, 122,345.94 and 56,825.39

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Solution

The fourth proportional to 88,656.51, 122,345.94 and 56,825.39 is: 78,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,656.51 : 122,345.94 = 56,825.39 : x
  2. Step 2: Convert to fraction form
    88,656.51/122,345.94 = 56,825.39/x
  3. Step 3: Cross multiply
    88,656.51x = 122,345.94 × 56,825.39
  4. Step 4: Simplify right side
    88,656.51x = 6,952,355,143.69
  5. Step 5: Solve for x
    x = 6,952,355,143.69/88,656.51
  6. Step 6: Final answer
    x = 78,419.00

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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.