Home / 124,820.60-187,307.44-45,935.51

Finding the Fourth Proportional to 124,820.60, 187,307.44 and 45,935.51

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Solution

The fourth proportional to 124,820.60, 187,307.44 and 45,935.51 is: 68,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.60 : 187,307.44 = 45,935.51 : x
  2. Step 2: Convert to fraction form
    124,820.60/187,307.44 = 45,935.51/x
  3. Step 3: Cross multiply
    124,820.60x = 187,307.44 × 45,935.51
  4. Step 4: Simplify right side
    124,820.60x = 8,604,061,731.82
  5. Step 5: Solve for x
    x = 8,604,061,731.82/124,820.60
  6. Step 6: Final answer
    x = 68,931.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.