Home / 99,035.10-136,642.07-58,715.33

Finding the Fourth Proportional to 99,035.10, 136,642.07 and 58,715.33

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Solution

The fourth proportional to 99,035.10, 136,642.07 and 58,715.33 is: 81,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,035.10 : 136,642.07 = 58,715.33 : x
  2. Step 2: Convert to fraction form
    99,035.10/136,642.07 = 58,715.33/x
  3. Step 3: Cross multiply
    99,035.10x = 136,642.07 × 58,715.33
  4. Step 4: Simplify right side
    99,035.10x = 8,022,983,695.51
  5. Step 5: Solve for x
    x = 8,022,983,695.51/99,035.10
  6. Step 6: Final answer
    x = 81,011.52

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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.