Home / 124,941.16-187,411.60-40,701.20

Finding the Fourth Proportional to 124,941.16, 187,411.60 and 40,701.20

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Solution

The fourth proportional to 124,941.16, 187,411.60 and 40,701.20 is: 61,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,941.16 : 187,411.60 = 40,701.20 : x
  2. Step 2: Convert to fraction form
    124,941.16/187,411.60 = 40,701.20/x
  3. Step 3: Cross multiply
    124,941.16x = 187,411.60 × 40,701.20
  4. Step 4: Simplify right side
    124,941.16x = 7,627,876,276.81
  5. Step 5: Solve for x
    x = 7,627,876,276.81/124,941.16
  6. Step 6: Final answer
    x = 61,051.75

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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.