Home / 113,777.49-157,011.84-62,790.69

Finding the Fourth Proportional to 113,777.49, 157,011.84 and 62,790.69

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Solution

The fourth proportional to 113,777.49, 157,011.84 and 62,790.69 is: 86,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,777.49 : 157,011.84 = 62,790.69 : x
  2. Step 2: Convert to fraction form
    113,777.49/157,011.84 = 62,790.69/x
  3. Step 3: Cross multiply
    113,777.49x = 157,011.84 × 62,790.69
  4. Step 4: Simplify right side
    113,777.49x = 9,858,881,771.77
  5. Step 5: Solve for x
    x = 9,858,881,771.77/113,777.49
  6. Step 6: Final answer
    x = 86,650.55

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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.