Home / 61,166.13-91,762.35-19,045.32

Finding the Fourth Proportional to 61,166.13, 91,762.35 and 19,045.32

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Solution

The fourth proportional to 61,166.13, 91,762.35 and 19,045.32 is: 28,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.13 : 91,762.35 = 19,045.32 : x
  2. Step 2: Convert to fraction form
    61,166.13/91,762.35 = 19,045.32/x
  3. Step 3: Cross multiply
    61,166.13x = 91,762.35 × 19,045.32
  4. Step 4: Simplify right side
    61,166.13x = 1,747,643,319.70
  5. Step 5: Solve for x
    x = 1,747,643,319.70/61,166.13
  6. Step 6: Final answer
    x = 28,572.08

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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.