Home / 51,117.12-70,543.20-27,835.10

Finding the Fourth Proportional to 51,117.12, 70,543.20 and 27,835.10

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Solution

The fourth proportional to 51,117.12, 70,543.20 and 27,835.10 is: 38,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.12 : 70,543.20 = 27,835.10 : x
  2. Step 2: Convert to fraction form
    51,117.12/70,543.20 = 27,835.10/x
  3. Step 3: Cross multiply
    51,117.12x = 70,543.20 × 27,835.10
  4. Step 4: Simplify right side
    51,117.12x = 1,963,577,026.32
  5. Step 5: Solve for x
    x = 1,963,577,026.32/51,117.12
  6. Step 6: Final answer
    x = 38,413.30

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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.