Home / 112,444.43-155,172.95-61,457.16

Finding the Fourth Proportional to 112,444.43, 155,172.95 and 61,457.16

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Solution

The fourth proportional to 112,444.43, 155,172.95 and 61,457.16 is: 84,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,444.43 : 155,172.95 = 61,457.16 : x
  2. Step 2: Convert to fraction form
    112,444.43/155,172.95 = 61,457.16/x
  3. Step 3: Cross multiply
    112,444.43x = 155,172.95 × 61,457.16
  4. Step 4: Simplify right side
    112,444.43x = 9,536,488,508.54
  5. Step 5: Solve for x
    x = 9,536,488,508.54/112,444.43
  6. Step 6: Final answer
    x = 84,810.68

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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.