Home / 104,685.23-144,461.43-56,938.61

Finding the Fourth Proportional to 104,685.23, 144,461.43 and 56,938.61

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Solution

The fourth proportional to 104,685.23, 144,461.43 and 56,938.61 is: 78,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,685.23 : 144,461.43 = 56,938.61 : x
  2. Step 2: Convert to fraction form
    104,685.23/144,461.43 = 56,938.61/x
  3. Step 3: Cross multiply
    104,685.23x = 144,461.43 × 56,938.61
  4. Step 4: Simplify right side
    104,685.23x = 8,225,433,022.81
  5. Step 5: Solve for x
    x = 8,225,433,022.81/104,685.23
  6. Step 6: Final answer
    x = 78,573.00

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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.