Home / 51,113.16-70,536.15-28,451.66

Finding the Fourth Proportional to 51,113.16, 70,536.15 and 28,451.66

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Solution

The fourth proportional to 51,113.16, 70,536.15 and 28,451.66 is: 39,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.16 : 70,536.15 = 28,451.66 : x
  2. Step 2: Convert to fraction form
    51,113.16/70,536.15 = 28,451.66/x
  3. Step 3: Cross multiply
    51,113.16x = 70,536.15 × 28,451.66
  4. Step 4: Simplify right side
    51,113.16x = 2,006,870,557.51
  5. Step 5: Solve for x
    x = 2,006,870,557.51/51,113.16
  6. Step 6: Final answer
    x = 39,263.28

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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.