Home / 99,032.04-136,681.67-58,768

Finding the Fourth Proportional to 99,032.04, 136,681.67 and 58,768

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Solution

The fourth proportional to 99,032.04, 136,681.67 and 58,768 is: 81,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.04 : 136,681.67 = 58,768 : x
  2. Step 2: Convert to fraction form
    99,032.04/136,681.67 = 58,768/x
  3. Step 3: Cross multiply
    99,032.04x = 136,681.67 × 58,768
  4. Step 4: Simplify right side
    99,032.04x = 8,032,508,382.56
  5. Step 5: Solve for x
    x = 8,032,508,382.56/99,032.04
  6. Step 6: Final answer
    x = 81,110.20

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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.