Home / 76,602.32-105,712.44-46,387.28

Finding the Fourth Proportional to 76,602.32, 105,712.44 and 46,387.28

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Solution

The fourth proportional to 76,602.32, 105,712.44 and 46,387.28 is: 64,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,602.32 : 105,712.44 = 46,387.28 : x
  2. Step 2: Convert to fraction form
    76,602.32/105,712.44 = 46,387.28/x
  3. Step 3: Cross multiply
    76,602.32x = 105,712.44 × 46,387.28
  4. Step 4: Simplify right side
    76,602.32x = 4,903,712,553.76
  5. Step 5: Solve for x
    x = 4,903,712,553.76/76,602.32
  6. Step 6: Final answer
    x = 64,015.20

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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.