Home / 102,606.60-141,599.32-56,666.10

Finding the Fourth Proportional to 102,606.60, 141,599.32 and 56,666.10

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Solution

The fourth proportional to 102,606.60, 141,599.32 and 56,666.10 is: 78,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,606.60 : 141,599.32 = 56,666.10 : x
  2. Step 2: Convert to fraction form
    102,606.60/141,599.32 = 56,666.10/x
  3. Step 3: Cross multiply
    102,606.60x = 141,599.32 × 56,666.10
  4. Step 4: Simplify right side
    102,606.60x = 8,023,881,227.05
  5. Step 5: Solve for x
    x = 8,023,881,227.05/102,606.60
  6. Step 6: Final answer
    x = 78,200.44

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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.