Home / 79,032.60-118,427.70-53,699.85

Finding the Fourth Proportional to 79,032.60, 118,427.70 and 53,699.85

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Solution

The fourth proportional to 79,032.60, 118,427.70 and 53,699.85 is: 80,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,032.60 : 118,427.70 = 53,699.85 : x
  2. Step 2: Convert to fraction form
    79,032.60/118,427.70 = 53,699.85/x
  3. Step 3: Cross multiply
    79,032.60x = 118,427.70 × 53,699.85
  4. Step 4: Simplify right side
    79,032.60x = 6,359,549,133.71
  5. Step 5: Solve for x
    x = 6,359,549,133.71/79,032.60
  6. Step 6: Final answer
    x = 80,467.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.