Home / 76,528.60-105,710.47-63,823.34

Finding the Fourth Proportional to 76,528.60, 105,710.47 and 63,823.34

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Solution

The fourth proportional to 76,528.60, 105,710.47 and 63,823.34 is: 88,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,528.60 : 105,710.47 = 63,823.34 : x
  2. Step 2: Convert to fraction form
    76,528.60/105,710.47 = 63,823.34/x
  3. Step 3: Cross multiply
    76,528.60x = 105,710.47 × 63,823.34
  4. Step 4: Simplify right side
    76,528.60x = 6,746,795,373.09
  5. Step 5: Solve for x
    x = 6,746,795,373.09/76,528.60
  6. Step 6: Final answer
    x = 88,160.45

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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.