Home / 67,329.80-92,880.93-51,386.58

Finding the Fourth Proportional to 67,329.80, 92,880.93 and 51,386.58

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Solution

The fourth proportional to 67,329.80, 92,880.93 and 51,386.58 is: 70,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,329.80 : 92,880.93 = 51,386.58 : x
  2. Step 2: Convert to fraction form
    67,329.80/92,880.93 = 51,386.58/x
  3. Step 3: Cross multiply
    67,329.80x = 92,880.93 × 51,386.58
  4. Step 4: Simplify right side
    67,329.80x = 4,772,833,339.92
  5. Step 5: Solve for x
    x = 4,772,833,339.92/67,329.80
  6. Step 6: Final answer
    x = 70,887.38

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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.