Home / 102,258.64-141,115.80-56,935.63

Finding the Fourth Proportional to 102,258.64, 141,115.80 and 56,935.63

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Solution

The fourth proportional to 102,258.64, 141,115.80 and 56,935.63 is: 78,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,258.64 : 141,115.80 = 56,935.63 : x
  2. Step 2: Convert to fraction form
    102,258.64/141,115.80 = 56,935.63/x
  3. Step 3: Cross multiply
    102,258.64x = 141,115.80 × 56,935.63
  4. Step 4: Simplify right side
    102,258.64x = 8,034,516,975.95
  5. Step 5: Solve for x
    x = 8,034,516,975.95/102,258.64
  6. Step 6: Final answer
    x = 78,570.54

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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.