Home / 99,110.77-136,772.93-53,788.74

Finding the Fourth Proportional to 99,110.77, 136,772.93 and 53,788.74

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Solution

The fourth proportional to 99,110.77, 136,772.93 and 53,788.74 is: 74,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,110.77 : 136,772.93 = 53,788.74 : x
  2. Step 2: Convert to fraction form
    99,110.77/136,772.93 = 53,788.74/x
  3. Step 3: Cross multiply
    99,110.77x = 136,772.93 × 53,788.74
  4. Step 4: Simplify right side
    99,110.77x = 7,356,843,301.86
  5. Step 5: Solve for x
    x = 7,356,843,301.86/99,110.77
  6. Step 6: Final answer
    x = 74,228.50

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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.