Home / 76,572.18-105,670.53-43,037.46

Finding the Fourth Proportional to 76,572.18, 105,670.53 and 43,037.46

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Solution

The fourth proportional to 76,572.18, 105,670.53 and 43,037.46 is: 59,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,572.18 : 105,670.53 = 43,037.46 : x
  2. Step 2: Convert to fraction form
    76,572.18/105,670.53 = 43,037.46/x
  3. Step 3: Cross multiply
    76,572.18x = 105,670.53 × 43,037.46
  4. Step 4: Simplify right side
    76,572.18x = 4,547,791,208.05
  5. Step 5: Solve for x
    x = 4,547,791,208.05/76,572.18
  6. Step 6: Final answer
    x = 59,392.21

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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.