Home / 113,671.45-156,862.99-62,686.32

Finding the Fourth Proportional to 113,671.45, 156,862.99 and 62,686.32

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Solution

The fourth proportional to 113,671.45, 156,862.99 and 62,686.32 is: 86,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,671.45 : 156,862.99 = 62,686.32 : x
  2. Step 2: Convert to fraction form
    113,671.45/156,862.99 = 62,686.32/x
  3. Step 3: Cross multiply
    113,671.45x = 156,862.99 × 62,686.32
  4. Step 4: Simplify right side
    113,671.45x = 9,833,163,587.30
  5. Step 5: Solve for x
    x = 9,833,163,587.30/113,671.45
  6. Step 6: Final answer
    x = 86,505.13

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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.