Home / 88,005.62-121,468.77-52,216.40

Finding the Fourth Proportional to 88,005.62, 121,468.77 and 52,216.40

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Solution

The fourth proportional to 88,005.62, 121,468.77 and 52,216.40 is: 72,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,005.62 : 121,468.77 = 52,216.40 : x
  2. Step 2: Convert to fraction form
    88,005.62/121,468.77 = 52,216.40/x
  3. Step 3: Cross multiply
    88,005.62x = 121,468.77 × 52,216.40
  4. Step 4: Simplify right side
    88,005.62x = 6,342,662,185.50
  5. Step 5: Solve for x
    x = 6,342,662,185.50/88,005.62
  6. Step 6: Final answer
    x = 72,071.10

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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.