Home / 98,570.70-136,041.66-56,133.18

Finding the Fourth Proportional to 98,570.70, 136,041.66 and 56,133.18

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Solution

The fourth proportional to 98,570.70, 136,041.66 and 56,133.18 is: 77,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,570.70 : 136,041.66 = 56,133.18 : x
  2. Step 2: Convert to fraction form
    98,570.70/136,041.66 = 56,133.18/x
  3. Step 3: Cross multiply
    98,570.70x = 136,041.66 × 56,133.18
  4. Step 4: Simplify right side
    98,570.70x = 7,636,450,988.28
  5. Step 5: Solve for x
    x = 7,636,450,988.28/98,570.70
  6. Step 6: Final answer
    x = 77,471.81

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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.