Home / 124,883.17-187,312.45-40,639.93

Finding the Fourth Proportional to 124,883.17, 187,312.45 and 40,639.93

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Solution

The fourth proportional to 124,883.17, 187,312.45 and 40,639.93 is: 60,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,883.17 : 187,312.45 = 40,639.93 : x
  2. Step 2: Convert to fraction form
    124,883.17/187,312.45 = 40,639.93/x
  3. Step 3: Cross multiply
    124,883.17x = 187,312.45 × 40,639.93
  4. Step 4: Simplify right side
    124,883.17x = 7,612,364,362.45
  5. Step 5: Solve for x
    x = 7,612,364,362.45/124,883.17
  6. Step 6: Final answer
    x = 60,955.89

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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.