Home / 102,627.18-141,627.91-57,303.63

Finding the Fourth Proportional to 102,627.18, 141,627.91 and 57,303.63

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Solution

The fourth proportional to 102,627.18, 141,627.91 and 57,303.63 is: 79,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,627.18 : 141,627.91 = 57,303.63 : x
  2. Step 2: Convert to fraction form
    102,627.18/141,627.91 = 57,303.63/x
  3. Step 3: Cross multiply
    102,627.18x = 141,627.91 × 57,303.63
  4. Step 4: Simplify right side
    102,627.18x = 8,115,793,352.31
  5. Step 5: Solve for x
    x = 8,115,793,352.31/102,627.18
  6. Step 6: Final answer
    x = 79,080.35

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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.