Home / 88,275.46-121,837.84-52,458.55

Finding the Fourth Proportional to 88,275.46, 121,837.84 and 52,458.55

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Solution

The fourth proportional to 88,275.46, 121,837.84 and 52,458.55 is: 72,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.46 : 121,837.84 = 52,458.55 : x
  2. Step 2: Convert to fraction form
    88,275.46/121,837.84 = 52,458.55/x
  3. Step 3: Cross multiply
    88,275.46x = 121,837.84 × 52,458.55
  4. Step 4: Simplify right side
    88,275.46x = 6,391,436,421.53
  5. Step 5: Solve for x
    x = 6,391,436,421.53/88,275.46
  6. Step 6: Final answer
    x = 72,403.32

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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.