Home / 62,779.23-86,635.40-34,486.74

Finding the Fourth Proportional to 62,779.23, 86,635.40 and 34,486.74

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Solution

The fourth proportional to 62,779.23, 86,635.40 and 34,486.74 is: 47,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,779.23 : 86,635.40 = 34,486.74 : x
  2. Step 2: Convert to fraction form
    62,779.23/86,635.40 = 34,486.74/x
  3. Step 3: Cross multiply
    62,779.23x = 86,635.40 × 34,486.74
  4. Step 4: Simplify right side
    62,779.23x = 2,987,772,342.16
  5. Step 5: Solve for x
    x = 2,987,772,342.16/62,779.23
  6. Step 6: Final answer
    x = 47,591.73

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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.