Home / 103,957.22-143,461.07-56,210.56

Finding the Fourth Proportional to 103,957.22, 143,461.07 and 56,210.56

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Solution

The fourth proportional to 103,957.22, 143,461.07 and 56,210.56 is: 77,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,957.22 : 143,461.07 = 56,210.56 : x
  2. Step 2: Convert to fraction form
    103,957.22/143,461.07 = 56,210.56/x
  3. Step 3: Cross multiply
    103,957.22x = 143,461.07 × 56,210.56
  4. Step 4: Simplify right side
    103,957.22x = 8,064,026,653.98
  5. Step 5: Solve for x
    x = 8,064,026,653.98/103,957.22
  6. Step 6: Final answer
    x = 77,570.62

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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.