Home / 104,646.25-144,413.45-56,899.72

Finding the Fourth Proportional to 104,646.25, 144,413.45 and 56,899.72

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Solution

The fourth proportional to 104,646.25, 144,413.45 and 56,899.72 is: 78,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,646.25 : 144,413.45 = 56,899.72 : x
  2. Step 2: Convert to fraction form
    104,646.25/144,413.45 = 56,899.72/x
  3. Step 3: Cross multiply
    104,646.25x = 144,413.45 × 56,899.72
  4. Step 4: Simplify right side
    104,646.25x = 8,217,084,869.23
  5. Step 5: Solve for x
    x = 8,217,084,869.23/104,646.25
  6. Step 6: Final answer
    x = 78,522.50

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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.