Home / 76,107.02-105,032.94-42,116.93

Finding the Fourth Proportional to 76,107.02, 105,032.94 and 42,116.93

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Solution

The fourth proportional to 76,107.02, 105,032.94 and 42,116.93 is: 58,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,107.02 : 105,032.94 = 42,116.93 : x
  2. Step 2: Convert to fraction form
    76,107.02/105,032.94 = 42,116.93/x
  3. Step 3: Cross multiply
    76,107.02x = 105,032.94 × 42,116.93
  4. Step 4: Simplify right side
    76,107.02x = 4,423,664,456.51
  5. Step 5: Solve for x
    x = 4,423,664,456.51/76,107.02
  6. Step 6: Final answer
    x = 58,124.27

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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.