Home / 99,032.16-136,681.85-58,768.12

Finding the Fourth Proportional to 99,032.16, 136,681.85 and 58,768.12

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Solution

The fourth proportional to 99,032.16, 136,681.85 and 58,768.12 is: 81,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.16 : 136,681.85 = 58,768.12 : x
  2. Step 2: Convert to fraction form
    99,032.16/136,681.85 = 58,768.12/x
  3. Step 3: Cross multiply
    99,032.16x = 136,681.85 × 58,768.12
  4. Step 4: Simplify right side
    99,032.16x = 8,032,535,680.39
  5. Step 5: Solve for x
    x = 8,032,535,680.39/99,032.16
  6. Step 6: Final answer
    x = 81,110.37

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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.