Home / 72,975.84-100,752.63-55,948.52

Finding the Fourth Proportional to 72,975.84, 100,752.63 and 55,948.52

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Solution

The fourth proportional to 72,975.84, 100,752.63 and 55,948.52 is: 77,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,975.84 : 100,752.63 = 55,948.52 : x
  2. Step 2: Convert to fraction form
    72,975.84/100,752.63 = 55,948.52/x
  3. Step 3: Cross multiply
    72,975.84x = 100,752.63 × 55,948.52
  4. Step 4: Simplify right side
    72,975.84x = 5,636,960,576.68
  5. Step 5: Solve for x
    x = 5,636,960,576.68/72,975.84
  6. Step 6: Final answer
    x = 77,244.21

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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.