Home / 102,032.06-140,801.49-56,708.91

Finding the Fourth Proportional to 102,032.06, 140,801.49 and 56,708.91

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Solution

The fourth proportional to 102,032.06, 140,801.49 and 56,708.91 is: 78,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,032.06 : 140,801.49 = 56,708.91 : x
  2. Step 2: Convert to fraction form
    102,032.06/140,801.49 = 56,708.91/x
  3. Step 3: Cross multiply
    102,032.06x = 140,801.49 × 56,708.91
  4. Step 4: Simplify right side
    102,032.06x = 7,984,699,024.28
  5. Step 5: Solve for x
    x = 7,984,699,024.28/102,032.06
  6. Step 6: Final answer
    x = 78,256.77

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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.